 | 1 | 76 Trail |
| | 3 | Above Hidden Valley |
| | 1 | Adolphus Canyon |
| | 2 | Alamo Canyon - AZT #17 |
| | 20 | Alexander Lake Loop |
| | 1 | Alkali Hot Springs |
| | 1 | Alpine Trail |
| | 1 | Alta Trail |
| | 1 | Amargosa Opera House and Hotel |
| | 2 | American Discovery Trail Californi |
| | 1 | American Discovery Trail Nevada |
| | 2 | American Flats |
| | 1 | Amethyst Mine via Brown's Trai |
| | 1 | Anasazi Indian Village State Park |
| | 2 | Antelope Canyon - Lower |
| | 1 | Antelope Canyon - Upper |
| | 2 | Antelope Lake Trail |
| | 2 | Apache Junction Fissures |
| | 2 | Apache Leap |
| | 2 | Arch Canyon |
| | 1 | Arches Trail - Red Rock Canyon |
 | 2 | Arizona Hot Springs via White Rock |
| | 1 | Arnett Creek - Canyon |
| | 1 | Arnett Creek - Telegraph Canyon Lo |
| | 1 | Artists Paint Pots |
| | 1 | Ascending Sheep Rock Art |
| | 1 | Aurora Canyon Road |
| | 1 | Avalanche Lake GNP |
| | 2 | Avenue of the Giants |
| | 1 | Aylor's Arch |
| | 3 | Babbitt Fire Lookout |
| | 2 | Badger Trail |
| | 1 | Bagley Tank To Saguaro Lake |
| | 1 | Bajada Trail - South Mountain |
| | 1 | Baker City Walking Tour |
| | 1 | Bald Mountain #082 - Uinta-Wasatch |
| | 1 | Barker Pass To Twin Peaks |
| | 2 | Barks Lower Canyon Loop |
| | 1 | Barks Upper Canyon Loop |
| | 1 | Bartlett Rock Art |
| | 1 | Baseline Trail - Estrella Mtn RP |
| | 1 | Batty Pass Caves |
| | 1 | Bayview Trailhead |
| | 1 | Bear Butte Summit Trail |
| | 1 | Bear Canyon Trail #29 |
| | 1 | Bear Gulch Petroglyphs |
| | 1 | Bear Gulch Reservoir Trail |
| | 1 | Bear Lake Trail - Plumas NF |
| | 2 | Beartooth Highway |
| | 1 | Beaver Ponds Loop |
| | 1 | Behunin Cabin |
| | 1 | Bell and Little Wild Horse Canyons |
| | 2 | Bellamy Trail - Queen Creek Canyon |
| | 1 | Belmont Ghost Town |
| | 2 | Belmont Mill |
| | 1 | Belmont Pier to Alamitos Bay Chann |
| | 1 | Bennettville |
| | 5 | Bently-Kirman Trail |
| | 2 | Berlin Canyon Trail |
| | 2 | Berlin Townsite Trail |
| | 2 | Berlin/ Ichthyosaur State Park |
| | 2 | Besh-Ba-Gowah to Gila Pueblo Ruins |
| | 1 | Big Crane Petroglyph |
| | 1 | Big Foot Scenic Byway |
| | 1 | Big Horn Canyon |
| | 3 | Big Meadow To Echo Summit TRT |
| | 1 | Big River Trail # 155 |
| | 1 | Big Spring Creek |
| | 2 | Big Sur Coast Highway |
| | 1 | Big Trees North Grove Trails |
| | 1 | Bird Island Trail |
| | 1 | Birthing Rock |
| | 1 | Bisbee 1000 Stairs |
| | 1 | Bizz Johnson National Recreation T |
| | 1 | Black Dragon Canyon |
| | 1 | Black Mountain Ruin |
| | 12 | Black Point Ridge |
| | 1 | Black Rock Desert Playa |
| | 1 | Black Top Mesa |
| | 1 | Black's Canyon Trail |
| | 1 | Blevins Trail |
| | 3 | BLM 555 Park Wash Loop |
| | 1 | Blowhard |
| | 1 | Blue Ridge - Goldfield Mtns |
| | 1 | Bluff Fort Historical Site |
| | 2 | Bluff Spring Loop & Weaver's V |
| | 2 | Bluff Springs Trail #235 |
| | 1 | Boca Reservoir |
| | 1 | Boca Townsite Trail |
| | 3 | Bodie |
| | 1 | Boiling River |
| | 5 | Bomboy Mine & Roblas Canyon |
| | 1 | Bootleg Canyon |
| | 3 | Boulder Canyon Trail #103 |
| | 2 | Box Canyon East Loop |
| | 5 | Boyce Thompson |
| | 1 | Brender Rd Rock Art |
| | 1 | Bridalveil Fall Trail |
| | 2 | Bridge Spring Arch |
| | 2 | Bright Angel Trail |
| | 1 | Brimstone Gulch |
| | 2 | Broadway Cave |
| | 2 | Brockway Summit to Tahoe Meadows T |
| | 1 | Broken Arrow - Gold Canyon |
| | 1 | Brokeoff Mountain Trail |
| | 1 | Bromide Coke Ovens |
| | 1 | Bronco Trail #245 |
| | 2 | Brown's Creek Trail |
| | 1 | Brown's Peak |
| | 1 | Browns Canyon Roadside Ruin |
| | 1 | Browns Park Church/School |
| | 1 | Buckhorn Cave |
| | 1 | Buckhorn Wash Dinosaur Tracks |
| | 2 | Buckhorn Wash Pictographs |
| | 3 | Buckskin Gulch - Wire Pass to Pari |
| | 1 | Bull Basin Loop - Eastern Supersti |
| | 1 | Bull Run Lake Trail |
| | 2 | Bull Valley Gorge |
| | 7 | Bulldog Canyon Loop |
| | 4 | Bulldog Cyn to Salt River |
| | 2 | Bumpass Hell |
| | 1 | Bunchgrass Trail |
| | 2 | Burney Falls Loop |
| | 1 | Burney Falls to I-5 Castle Crags S |
| | 1 | Burr Trail - Notom Bullfrog Road |
| | 1 | Burro Creek Campground Trails |
| | 1 | Butler Wash Dinosaur Tracksite |
| | 4 | Butler Wash Ruins |
| | 1 | Byous Butte |
| | 1 | Byous Butte to Hidden Springs |
| | 1 | Cabin Trail |
| | 1 | Cabrillo Tide Pools Trail |
| | 1 | Cache la Poudre-North Park Scenic |
| | 4 | Cactus |
| | 1 | Calico Basin |
| | 2 | Camelback Summit - Cholla Trail |
| | 1 | Camelback Summit - Echo Canyon Tra |
| | 1 | Camp Creek Falls |
| | 1 | Canyon Creek - Lake Tahoe Basin Ar |
| | 1 | Canyon Diablo |
| | 1 | Canyon Lake Kayaking |
| | 1 | Canyon Lake Massif - Peak 2276 |
| | 1 | Canyon Lake to Peak 2811 |
| | 1 | Canyon Pintado |
| | 2 | Cape Coast Trail |
| | 1 | Cape Perpetua Trail |
| | 1 | Capitol Gorge |
| | 1 | Carbonate Ghost Town |
| | 6 | Carlin Canyon |
| | 2 | Carlsbad Caverns |
| | 1 | Carmel Canyon |
| | 1 | Carmelo Meadow Trail |
| | 4 | Carson River Canyon |
| | 1 | Casa Grande Ruins National Monumen |
| | 1 | Cascade Canyon |
| | 1 | Cascade Creek - Yellowstone NP |
| | 1 | Cascade Falls Trail - Eldorado NF |
| | 1 | Castle Garden |
| | 1 | Castle Rock Trail |
| | 1 | Castle Ruins |
| | 3 | Cat Peaks Loop |
| | 1 | Cat Stair Canyon - Car Wash |
| | 3 | Cathedral Spires Trail |
| | 1 | Cathedral Wash |
| | 1 | Catwalk National Recreation Trail |
| | 1 | Cave Spring Trail |
| | 1 | Cave Towers Canyon |
| | 5 | Cave Trail #233 |
| | 1 | Caves Trail |
| | 1 | Cedar Wash Arch |
| | 4 | Centennial Trail |
| | 1 | Centennial Trail - Shoshone |
| | 1 | Charlebois from Peralta TH |
| | 1 | Checkmate Arch |
| | 1 | Chetro Ketl |
| | 1 | Chimney Rock - Sedona |
| | 1 | Chiricahua Shuttle |
| | 2 | Cholla Mountain Loop from Brown |
| | 1 | Christmas/Lake Valley Trail |
| | 1 | Chute Canyon |
| | 3 | Circlestone |
| | 1 | Clay Mine Trail - CCRP |
| | 1 | Clear Creek Trail - GCNP |
| | 1 | Cleetwood Cove |
| | 1 | Cleveland Avenue |
| | 1 | Coal Canyon Rock Art |
| | 1 | Coal Mine Canyon |
| | 1 | Cochise Stronghold Trail #279 |
| | 2 | Coffee Flat Trail #108 |
| | 4 | Coke Ovens - Via Cottonwood & Box |
| | 1 | Coke Ovens 4x4 [ Closed ] |
| | 1 | Cold Boiling Lake |
| | 1 | Cold Spring Cave Ruins |
| | 1 | Cold Springs Pony Express Station |
| | 1 | Cold StreamTrail |
| | 1 | Coloma Loop |
| | 1 | Colonnade Arch ( Five Hole Arch ) |
| | 1 | Colossal Cave Mountain Park |
| | 1 | Columbia State Historic Park |
| | 1 | Columns of the Giants |
| | 1 | Commemorative Emigrant Trail |
| | 1 | Consolidated Mine Trail |
| | 2 | Constellation Road Mining District |
| | 2 | Coolidge Dam |
| | 1 | Coon Bluff Loop |
| | 2 | Coon Creek Ruins |
| | 1 | Coon Creek Ruins Overlook via FR33 |
| | 1 | Corona Arch |
| | 1 | Corona de Loma Trail |
| | 1 | Corona Loop |
| | 1 | Coronado Cave Trail |
| | 1 | Coronado City Beach and Coronado S |
| | 1 | Coronado Mesa |
| | 2 | Cottonwood Canyon Narrows |
| | 4 | Cottonwood Canyon Petroglyph Site |
| | 4 | Cottonwood Spring - Goldfield Mtns |
| | 1 | Cottonwood Trail - Tahoe |
| | 1 | Cottonwood Wash-Capitol Reef |
| | 1 | Cougar Canyon |
| | 3 | Cougar Trail - Gold Canyon |
| | 2 | County Line Trail |
| | 1 | Courthouse Wash Rock Art |
| | 1 | Covered Wagon Natural Bridge |
| | 1 | Coyote Buttes North - Wire Pass TH |
| | 1 | Crack Canyon |
| | 1 | Crags Trail |
| | 1 | Crawfish Lake Trail |
| | 1 | Crawford Pass |
| | 1 | Crazy Creek Falls |
| | 1 | Crazy Horse Volksmarch |
| | 8 | Crest Trail - Silly Mtn |
| | 2 | Crissy Field / Fort Point Trail |
| | 1 | Cross Canyon |
| | 1 | Crow Canyon 44 Panel |
| | 1 | Crow Canyon Big Warrior |
| | 1 | Crow Canyon Main Panel |
| | 1 | Crow Peak Trail |
| | 2 | Crown Butte Arroyo |
| | 2 | Crucifix Canyon |
| | 1 | Cruickshank Trail to Upper Cruicks |
| | 1 | Crystal Crane Hot Springs |
| | 1 | Crystal Mine Trail - Toiyabe |
| | 1 | Cub Creek - Dinosaur National Monu |
| | 1 | Custer Peak |
| | 1 | Custer Skywalk |
| | 1 | Cypress Grove Trail |
| | 1 | Dacite Mesa |
| | 1 | Dacite Super Loop |
| | 20 | Damonte Ranch Loop |
| | 1 | Dance Hall Rock |
| | 1 | Danger Cave |
| | 1 | Dantes View and Point |
| | 1 | Dardanelles and Round Lakes |
| | 1 | Davis Canyon |
| | 3 | Dayton Toll Road |
| | 1 | Dead Horse Ranch State Park |
| | 1 | Deadman Creek Falls |
| | 1 | Deadmans Creek Loop |
| | 1 | Death Canyon to Patrol Cabin |
| | 1 | Death Valley |
| | 1 | Deep Creek - Payette NF |
| | 1 | Deer Creek Trail #45 |
| | 1 | Delicate Arch |
| | 4 | Denoon-Reymert Mine Tour |
| | 2 | Desert Botanical Garden |
| | 1 | Desert Wells Mutiuse Area |
| | 1 | Devil's Bridge Trail #120 |
| | 1 | Devil's Chasm |
| | 1 | Devil's Garden |
| | 1 | Devil's Garden - Primitive Loo |
| | 1 | Devils Bathtub |
| | 1 | Devils Canyon Bridge (Abandoned) |
| | 1 | DeVoto Memorial Cedar Grove |
| | 1 | Diana's Throne Slot Canyon |
| | 1 | Diggins Loop Trail |
| | 1 | Ding and Dang Slot Canyons |
| | 2 | Dinosaur Mountain |
| | 1 | Dinwoody Rock Art |
| | 2 | Discovery Point Trail |
| | 1 | Discovery Trail Genoa |
| | 1 | Dome Mountain |
| | 1 | Dome Mountain Loop |
| | 1 | Donnell Vista |
| | 2 | Donner Camp |
| | 2 | Donner Lake Rim Trail |
| | 1 | Donner Pass I-80 to SR49 Sierra Ct |
| | 1 | Doty Spring and Caves |
| | 1 | Double Arch |
| | 13 | Double Diamond Loop |
| | 2 | Double Stack Ruins |
| | 2 | Downs Trail |
| | 1 | Dragon Tail Rock Art Sites |
| | 1 | Dredge Loop Trail |
| | 1 | Drilling Derrick |
| | 1 | Dripping Springs from Peralta |
| | 1 | Dripping Springs from Woodbury |
| | 1 | Drum Flume |
| | 1 | Drury - Chaney Loop |
| | 3 | Dry Pond Loop |
| | 1 | Dry Wash Cave Ruins |
| | 1 | Duck Pass Trailhead to Duck Lake |
| | 1 | Dune Boardwalk Trail |
| | 1 | Dune Trail |
| | 1 | Dutchman Arch |
| | 2 | Dutchman Trail #104 |
| | 1 | Dutton Creek Trail |
| | 4 | Eagle Falls Loop |
| | 1 | Eagle Point |
| | 1 | Earthquake Fault Trail |
| | 1 | East Bison Flats Trail |
| | 1 | East Canyon |
| | 1 | East Four Mile Rock Art Site |
| | 1 | East Keystone Canyon |
| | 1 | East Valley Floor |
| | 2 | Ebbetts Pass Scenic Byway |
| | 1 | Echo Lake Rsrt to Donner Pass I-80 |
| | 1 | Echo Park |
| | 1 | Echo Summit To Barker Pass |
| | 1 | Ed Z'berg-Sugar Pine Point Sta |
| | 2 | Edge of the Cedars |
| | 1 | Eel River Wildlife Area and Beach |
| | 1 | El Capitan Canyon |
| | 1 | El Dorado County Farm Trails |
| | 2 | El Sur Grande - Ewoldsen Trail |
| | 1 | El Toro Creek - Skyline Road Loop |
| | 1 | Elden Pueblo Ruins Loop Trail |
| | 1 | Eldorado Canyon |
| | 3 | Elephant Arch - Hewitt Canyon |
| | 1 | Elephant Butte Loop |
| | 1 | Elephant Hill to Squaw Flat |
| | 1 | Elephant Panel Rock Art |
| | 1 | Elephant Rock Lake Loop |
| | 1 | Elkhorn Crest Trail to Anthony Lak |
| | 1 | Emerald Lake - Inyo NF |
| | 1 | Emigrant Trail-Double Wells |
| | 1 | Empire Mine |
| | 2 | Empire Mine State Park |
| | 1 | Enchanted Highway |
| | 1 | Ernie Canyon |
| | 1 | Escalante Natural Bridge |
| | 1 | Escalate Pueblo |
| | 1 | Etta Mine |
| | 1 | Eureka Peak Loop |
| | 1 | Evans Canyon |
| | 2 | Extraterrestrial Highway #375 |
| | 1 | Eye of Sinbad |
| | 1 | Factory Butte Formations |
| | 1 | Fain Park Trails - Prescott Valley |
| | 1 | Fairbank Loop Trail |
| | 1 | Fairburn Agate Beds |
| | 2 | Fairview Peak Earthquake Faults |
| | 1 | Fairy Falls |
| | 1 | Fales Hot Ditch |
| | 2 | Fallen Leaf Lake Trail |
| | 1 | Falling Rock |
| | 1 | Farnsworth Slot Canyon |
| | 3 | Faye-Luther |
| | 1 | Feather River Scenic Byway |
| | 1 | Ferron Box Rock Art |
| | 1 | Ferron Canyon Thunderbird Rock Art |
| | 1 | Fiery Furnace |
| | 1 | Fighting Men Petroglyphs |
| | 1 | Fire Wave |
| | 1 | Fireline Trail #118 |
| | 6 | First Water Lower Creek Shuttle |
| | 3 | First Water TH to Canyon Lake |
| | 1 | First Water TH to Peralta TH |
| | 2 | First Water Tributaries 2947 Loop |
| | 3 | First Water Upper Creek Loop |
| | 1 | Fish Creek Canyon - Bridge to Roge |
| | 3 | Fish Creek Canyon - Upper Bridge |
| | 1 | Fish Creek Cove Ruins |
| | 3 | Fish Creek Hill |
| | 3 | Fish Creek via Lost Dutch |
| | 1 | Fishermans Trail |
| | 2 | Fishmouth Ruins |
| | 1 | Five Faces / Log Ruin |
| | 1 | Five Lakes Basin |
| | 1 | Five Lakes Trail |
| | 3 | Flatiron Hike - Superstitions |
| | 3 | Flowery Mountain Range Loop |
| | 3 | Flume Trail - Tahoe |
| | 6 | Foal Trail |
| | 3 | Foothills Loop |
| | 1 | Fort Bowie Loop |
| | 2 | Fort McDowell |
| | 1 | Fort Pierce Red Man |
| | 1 | Four Arch Trail |
| | 1 | Four Mile Trail |
| | 1 | Fourth of July Lake |
| | 1 | FR 1935 - N Hardt Tank Road |
| | 1 | Franks Canyon |
| | 4 | Franktown Loop |
| | 1 | Fraser - Randolph Loop |
| | 2 | Frazier Falls |
| | 1 | Fremont Indian State Park Trails |
| | 1 | French Cattle Ranch |
| | 2 | Frisco |
| | 1 | Frog Lake Loop |
| | 1 | Frog Lake-Carson Pass |
| | 1 | Frog Tanks Trail #112 |
| | 1 | Fruita Historic School |
| | 1 | Fry Canyon Ruins |
| | 1 | Funnel Arch |
| | 2 | Galena Creek Trail |
| | 3 | Garden Valley Loop |
| | 1 | Gates of Lodore Nature Trail |
| | 14 | Geiger Grade Toll Road |
| | 1 | Gemini Bridges |
| | 2 | Genoa Canyon Trail |
| | 1 | Genoa Vista |
| | 9 | George S Mickelson Trail |
| | 1 | Georgetown Loop |
| | 1 | Gila Monster |
| | 1 | Gila-Pinal Scenic Road |
| | 1 | Giles Ghost Town |
| | 1 | Gillespie Dam and Bridge |
| | 2 | Glacier Meadow Loop |
| | 1 | Glass Creek Meadow |
| | 1 | Gleeson Ghost Town |
| | 1 | Glen Alpine Springs |
| | 1 | Glen Canyon Dam |
| | 3 | Glen Canyon Dam Overlook |
| | 30 | Gold Camp Loop |
| | 2 | Gold Eagles Nugget Trail |
| | 1 | Golden Eye Arches |
| | 6 | Golden Eye Mine Trail |
| | 2 | Golden Gate Bridge |
| | 1 | Golden Wall - Castle Bridge - Buck |
| | 1 | Goldfield City Walking Tour |
| | 1 | Goldfield Hi Country via Gateway C |
| | 2 | Goldfield Ovens Loop |
| | 1 | Goldhill Trailhead to Copper Mount |
| | 1 | Goldstrike Canyon - Hotsprings |
| | 1 | Golf Course Rock Art |
| | 1 | Gonzales Monument & Map |
| | 1 | Gordon Creek Trail Trestle and Wat |
| | 1 | Gould Mine Trail Loop |
| | 1 | Grafton Ghost Town |
| | 1 | Grand Falls |
| | 1 | Grand Gulch from Collins Spring TH |
| | 1 | Grand Wash Trail |
| | 1 | Grandview Trail |
| | 1 | Grandview Trail - Cave of the Dome |
| | 1 | Granite Chief Trail |
| | 1 | Granite Point Trail |
| | 3 | Grapevine Canyon |
| | 1 | Grassy Knoll Petroglyphs and Ruins |
| | 1 | Grassy Lake Trail |
| | 1 | Gray Eagle Creek Trail |
| | 1 | Great Wall Of The Sierra |
| | 1 | Green Mountain Trail #21 |
| | 3 | Green Thumb |
| | 1 | Greys Lake Trail |
| | 2 | Grimes Point Petroglyph Trail |
| | 1 | Grizzly Giants - Mariposa Grove |
| | 1 | Grosvenor Arch |
| | 1 | Guajome Regional Park Trail |
| | 1 | Guanella Pass Scenic & Historic By |
| | 3 | Hackberry Spring from Horse Lot |
| | 11 | Hackberry Spring Loop |
| | 1 | Halls Ranch |
| | 1 | Hamilton Ghost Town |
| | 1 | Hanging Flume |
| | 1 | Hardrock Trail |
| | 1 | Harpers Corner Trail |
| | 1 | Haskell Peak |
| | 1 | Hassayampa River Preserve |
| | 1 | Hatch Trading post |
| | 2 | Haunted Canyon #203 |
| | 1 | Haunted Canyon from Top-of-the-Wor |
| | 1 | Haunted Canyon West Trailhead to S |
| | 4 | Hawes Trail System |
| | 2 | Hawley Grade National Recreation T |
| | 1 | Head of Sinbad |
| | 1 | Heart Lake - Inyo NF |
| | 1 | Heiser Lake |
| | 1 | Hell's Backbone Scenic Backway |
| | 3 | Hell's Half Acre |
| | 1 | Hercules Leg |
| | 1 | Hermit Gulch Loop - Catalina Islan |
| | 1 | Hermit Trail |
| | 1 | Hickison Petroglyph Site |
| | 1 | Hickman Bridge |
| | 2 | Hidden Beach |
| | 2 | Hidden Cave |
| | 1 | Hidden Lake |
| | 1 | Hidden Valley - Moab |
| | 1 | Hidden Valley County Park Trail |
| | 1 | Hidden Valley from Buena Vista |
| | 1 | Hidden Valley Trail - South Mounta |
| | 1 | Hidden Valley via Mormon Trail |
| | 8 | Hieroglyphics Trail #101 |
| | 1 | High Lakes Trail - Winema NF |
| | 3 | High Meadows Trail |
| | 1 | Highway 140 To Highway 138 - PCT C |
| | 1 | Highway 35 To I-84 - PCT G |
| | 1 | Historic Railroad Trail |
| | 1 | Historical Pinal Cemetery |
| | 1 | Hobbs Wash Ruins |
| | 3 | Hog Canyon |
| | 1 | Hog Canyon - Indian Creek |
| | 1 | Hog Canyon and Box Canyon Trails |
| | 3 | Hog Springs Rest Area to Hog Canyo |
| | 1 | Hole In the Wall Road |
| | 1 | Homestake Trail |
| | 3 | Homolovi Ruins |
| | 1 | Honeymoon Trail |
| | 1 | Hoodoo Rock Art Site |
| | 1 | Hoolie Bacon - Peters Trail Loop |
| | 1 | Hoover Dam and Bridge Walking Tour |
| | 1 | Hope Valley Overlook Trail |
| | 2 | Horns Of Dilemma |
| | 1 | Horse Thief Canyon |
| | 1 | Horseshoe Bend Overlook Trail |
| | 1 | Horseshoe Bend Petroglyphs |
| | 1 | Horseshoe Canyon |
 | 1 | Horsethief Butte Trail |
| | 1 | Horsethief Lake Loop |
| | 1 | Hovenweep Hikes |
| | 1 | Howard's Walk Trail |
| | 1 | Hoyt Crossing Trail |
| | 1 | Huckleberry Trail - Stanislaus NF |
| | 1 | Huffaker Hills Trail |
| | 3 | Huffaker Mountain Trail |
| | 4 | Huffaker Park Lookout Trail |
| | 1 | Humboldt River Nature Trail |
| | 1 | Humbug Trail to the Yuba River |
| | 1 | Hungo Pavi |
| | 1 | Hunter Creek Trail |
| | 1 | Hunter Trail - Picacho Peak |
| | 1 | I-5 Castle Crags SP to Etna Summit |
| | 1 | Iceberg Lake & Ptarmigan Lake Trai |
| | 3 | Idaho Trailhead to Cyclops |
| | 1 | Illilouette Fall |
| | 1 | Independence Pass |
| | 1 | Independence Pass Scenic Byway |
| | 3 | Independence Rock |
| | 1 | Independence Trail |
| | 1 | Indian Rock Cave |
| | 1 | Ingersoll Mine |
| | 1 | Inspiration Point - Tonto NF |
| | 1 | Intestine Man - Highway 313 Rock A |
| | 1 | Ione Townsite |
| | 1 | Irish Canyon ACEC |
| | 2 | Iron Creek |
| | 1 | Ironwood Ridgeline 3108 Loop - Gol |
| | 1 | Island Lake Trail |
| | 1 | Ismay Rock Shelter - Valley of the |
| | 1 | Jacks Canyon (Moenkopi) |
| | 1 | Jacks Valley Wildlife Trail |
| | 13 | Jacob's Trail #58 |
| | 2 | Jake's Corner Ruin |
| | 1 | Javelina - Ridgeline - Beverly Loo |
| | 10 | Javelina Mine Trail |
| | 1 | Jeep Arch and Rock Art |
| | 1 | Jerry Johnson Hot Springs |
| | 1 | Jewel Cave |
| | 1 | Jewel Tibbetts Arch |
| | 4 | JF Trail #106 |
| | 1 | JF Trail to Tortilla Pass |
| | 3 | Job's Peak Ranch Trail |
| | 1 | John Muir Route/Avalanche Gulch |
| | 2 | Johns Canyon Upper |
| | 1 | Johns Lake Loop |
| | 1 | Johnson Canyon Caves |
| | 2 | Jones Creek / Whites Creek Trail |
| | 1 | Jones-Whites Creek Loop |
| | 1 | Jordan Trail |
| | 1 | Joseph City Fissures |
| | 1 | Joubert Diggings |
| | 1 | Jug Trail #61 - Salome Wilderness |
| | 1 | Jukebox Cave |
| | 1 | Juniper Hot Spring |
| | 1 | Juntura Hot Springs |
| | 1 | Kachina Petroglyph Panel |
| | 1 | Kanarra Creek Trail - Kanarraville |
| | 1 | Kane Spring Road Rock Art |
| | 3 | Keddie Wye |
| | 1 | Kellner Canyon Trail #242 |
| | 1 | Kelly Townsite and Mines |
| | 1 | Kelly's Cabin |
| | 2 | Kennedy Meadows Trailhead |
| | 11 | Keyhole Arch |
| | 1 | Keyhole Canyon |
| | 1 | Kila Pictographs |
| | 1 | Kin Kletso |
| | 2 | Kings Canyon |
| | 1 | Kings Canyon Falls |
| | 1 | Kings Canyon Trail |
| | 1 | Kings Creek Trail |
| | 1 | Kings Crown Rock Art |
| | 2 | Kingsbury Grade South to Big Meado |
| | 1 | Kingsbury Stinger |
| | 1 | Kirby Cove & Hawk Hill Trails |
| | 1 | Kit Carson Trail |
| | 1 | Kitt Peak |
| | 1 | Kokopelli Rock Art |
| | 1 | Kyburz Flat |
| | 1 | L Trail |
| | 1 | La Cienega and La Cieneguilla |
| | 1 | La Jolla Bay to Nicholson Point |
| | 1 | La Jolla Caves Trail |
| | 1 | La Posada Walking Tour |
| | 1 | Lace Lichen Trail |
| | 4 | Lagomarsino Petroglyphs |
| | 1 | Lake Almanor Recreation Trail |
| | 1 | Lake Overlook Trail - Fountain Hil |
| | 3 | Lake Tahoe National Scenic Byway |
| | 1 | Lakeshore Trail |
| | 4 | Lakeside Trail - Tahoe |
| | 1 | Lakeview Loop |
| | 1 | Lakeview-Sawmill Canyon |
| | 1 | Lampe Park Outter Loop |
| | 3 | Lassen Peak Trail |
| | 1 | Lava Flow Trail (Bonito) |
| | 1 | Lee's Ferry River Trail |
| | 1 | Legend Rock |
| | 1 | Lehman Cave Trail |
| | 1 | Leo Adler Trail |
| | 1 | Leprechaun Canyon |
| | 1 | Lewis Creek National Scenic Trail |
| | 1 | Lewis Lodge Anasazi Ruins |
| | 1 | Liberty Bell Arch via White Rock C |
| | 1 | Lick Wash to No Mans Mesa |
| | 1 | Lightning Springs Trail |
| | 1 | Lightning to Dutton - PCT - OR / C |
| | 1 | Lily Lake Trail - Plumas NF |
| | 1 | Linda Vista Trail - Loop |
| | 1 | Little Bighorn Battlefield |
| | 1 | Little Black Mountain Trail |
| | 7 | Little Chance Canyon Loop |
| | 2 | Little Devils Tower Spur Trail |
| | 4 | Little Devils Tower Trailhead to B |
| | 4 | Little Elk Creek Trail |
| | 6 | Little Four Peaks |
| | 1 | Little Horse Trail #61 |
| | 1 | Little Keyhole Saddle |
| | 2 | Little Washoe Lake |
| | 1 | Little Westwater Anasazi Ruin |
| | 1 | Loch Leven Trail |
| | 1 | Lockwood Loop |
| | 1 | Lodgepole Trail |
| | 1 | Logan Canyon National Scenic Byway |
| | 3 | Lone Mountain 2809 - E J Peak |
| | 1 | Lone Tree Point on Catalina Trail |
| | 1 | Lone Warrior Petroglyph |
| | 2 | Lonesome Draw Ridgeline |
| | 2 | Lonesome Trail |
| | 1 | Long Canyon Slot |
| | 1 | Looking Glass Arch |
| | 1 | Loop Road |
| | 4 | LOST - Queen Creek Canyon Segment |
| | 2 | Lost Dog Wash to Taliesin Overlook |
| | 1 | Lost Dutchman Mine Junior |
| | 1 | Lost Dutchman State Park Campgroun |
| | 2 | Lost Dutchman State Park Loop |
| | 2 | Lost Goldmine - Cloudview Rd to Ja |
| | 1 | Lost Goldmine - Shaka Cave |
| | 9 | Lost Goldmine Trail - Cloudview to |
| | 1 | Lost Goldmine Trail #60 |
| | 1 | Lousetown Creek Headwater Loop |
| | 1 | Lovell Slot Canyon |
| | 1 | Lovelock Cave |
| | 1 | Lovers Leap Trail |
| | 1 | Lowell City Tour |
| | 1 | Lower Chilnualna Falls |
| | 1 | Lower Darwin Falls |
| | 1 | Lower Fish Creek w/ face Comb Ridg |
| | 2 | Lower Galena Creek Trail |
| | 2 | Lower Glen Alpine Falls |
| | 1 | Lower Hackberry Canyon |
| | 1 | Lower Horsetail Falls |
| | 1 | Lower Johns Canyon |
| | 1 | Lower Kinney Lake |
| | 1 | Lower Mule Canyon Ruins |
| | 3 | Lower Thomas Creek Trail |
| | 1 | Lower Whites Creek Trail |
| | 1 | Lower Yellowstone Falls |
| | 1 | Lower Yosemite Fall |
| | 1 | Lowry Pueblo Ruins |
| | 1 | LV Yates Trail #8 |
| | 1 | Lyell Fork and Donohue Pass |
| | 1 | Lynx Creek Ruin Trail #301 |
| | 1 | Lyons Trail |
| | 1 | Magic Theater Arch |
| | 1 | Manhattan Ghost Town |
| | 2 | Marble Canyon Overlook at Navajo B |
| | 1 | Markleeville Waterfalls |
| | 4 | Martinez Cyn via Cottonwood & Box |
| | 6 | Massacre Falls |
| | 1 | Mattole Beach Trail |
| | 1 | Maverick Camp via 192B |
| | 1 | McCloud River Trail |
| | 2 | McConkie Ranch Petroglyph Trail |
| | 1 | McDonald Creek Canyon |
| | 1 | McKee Spring Backcountry Adventure |
| | 1 | Medicine Lodge |
| | 1 | Meiss Lake |
| | 1 | Mellen Hill Rock Art |
| | 1 | Mercury Mine Loop |
| | 2 | Meridian Trail |
| | 1 | Merritt Lake-Oakland |
| | 1 | Mesa Grande |
| | 1 | Mesquite Creek |
| | 1 | Mesquite Y |
| | 2 | Metropolis Ghost Town |
| | 1 | Mexican Ditch-Dam |
| | 1 | Middle Creek |
| | 2 | Middle Gila Canyons Area |
| | 1 | Middle Trail #202 |
| | 1 | Mill Canyon |
| | 1 | Mill Canyon Dinosaur Tracksite |
| | 1 | Mill Canyon Dinosaur Trail |
| | 2 | Mill Creek Falls - Lassen |
| | 1 | Mill Valley Waterfalls |
| | 1 | Million Dollar Highway |
| | 1 | Mills Peak Lookout |
| | 1 | Millsite Spring To Elephant Butte |
| | 5 | Mineral Mountain Loop |
| | 2 | Mirror Lake Scenic Byway |
| | 1 | Mirror Lake Shoreline Trail |
| | 1 | Mist Trail - Yosemite NP |
| | 1 | Mizpah Hotel Walking Tour |
| | 1 | Moab Grotto |
| | 1 | Moab Maiden |
| | 1 | Moab Owl Petroglyphs |
| | 1 | Moab Wind Caves |
| | 1 | Moaning Caverns |
| | 1 | Molen Seep |
| | 1 | Monitor Pass Scenic Byway |
| | 2 | Mono Tufa - Mono Lake |
| | 2 | Monolith Garden Lasso Loop |
| | 2 | Montezuma Canyon |
| | 3 | Montezuma Castle |
| | 3 | Montezuma Well |
| | 3 | Monument Canyon - Tonto NF |
| | 1 | Monument Peak Loop - PATS |
| | 1 | Monument Valley |
| | 1 | Moonflower Canyon |
| | 2 | Moonhouse |
| | 1 | Moonshine Arch |
| | 1 | Moore Cutoff Petroglyphs / Dinosau |
| | 1 | Mosaic Canyon |
| | 1 | Moss Back Ruins/ Rock Art |
| | 1 | Mossy Cave |
| | 1 | Mound Meadow Trail |
| | 1 | Mount Bigelow Trail |
| | 1 | Mount Hood Wilderness Area Trails |
| | 3 | Mount Judah Loop |
| | 1 | Mount Tallac Trail 17E33 |
| | 1 | Mount Watson Off Road |
| | 2 | Mountain Quarries Railroad |
| | 1 | Mouse's Tank |
| | 1 | MSDixie ll |
| | 2 | Mt Rose |
| | 1 | Mt. Ralston |
| | 1 | Mt. Roosevelt |
| | 1 | Multnomah Falls |
| | 1 | Murphys Gate to Robie Point |
| | 1 | Musgrove Canyon Road to Twin Lakes |
| | 1 | Mustang Ruins |
| | 1 | Mystic Falls |
| | 1 | Nacimiento - Fergusson Rd |
| | 2 | National Trail - South Mountain |
| | 1 | Nations Natural Bridge |
| | 1 | Natural Bridge Trail - Chiricahua |
| | 1 | Natural Bridge Trail - Yellowstone |
| | 1 | Navajo Loop |
| | 1 | Needle Double Vista |
| | 1 | Needles Highway Scenic Byway |
| | 1 | Nefertiti Trail |
| | 1 | Nevada Falls Loop |
| | 1 | Newhouse Ghost Town |
| | 1 | Newspaper Rock - Indian Creek |
| | 5 | Nine Mile Canyon Backcountry Byway |
| | 1 | No Thoroughfare Canyon |
| | 1 | Norbeck Overlook- Mount Rushmore |
| | 1 | Nordhoff-Hope Cliff Dwelling/SiteV |
| | 1 | Norris Geyser Basin |
| | 1 | North Crater Flow Trail |
| | 1 | North Fork Mule Canyon |
| | 1 | North Fork Trail - Wasatch-Cache N |
| | 1 | North Mountain National Trail #44 |
| | 1 | North Salt Wash |
| | 1 | North Shore Trail |
| | 1 | North Yuba Trail |
| | 1 | Northridge Trail to Mount Livermor |
| | 1 | O C & E Woods Line State Trail |
| | 1 | Oak Creek - Verde River Confluence |
| | 1 | Oak Creek Canyon - Sierra Ancha |
| | 1 | Observation Point Loop - Upper Gey |
| | 1 | Old Faithful and Observation Point |
| | 4 | Old Horse Trail |
| | 1 | Olmsted Point |
| | 1 | Oneonta #424 Horsetail Ponytail & |
| | 1 | Onion Creek |
| | 1 | Onion Creek Hike |
| | 1 | Onyx Bridge |
| | 1 | Ophir Creek Trail - Toiyabe |
| | 1 | Oregon Caves - Big Tree Loop Trail |
| | 1 | Oregon Dunes Overlook Trail |
| | 1 | Oregon Trail Ruts |
| | 1 | Oregon Trail Ruts Loop |
| | 5 | Orohai Loop |
| | 1 | Orohai Wash |
| | 1 | Osborn Hill Loop |
| | 1 | Out and About Treesort |
| | 2 | Over Under Ruins |
| | 1 | Owl Head Buttes |
| | 1 | Oxbow Nature Study Area Nature Tra |
| | 3 | Pacheco Pass Road |
| | 1 | Pacific Valley Flats |
| | 11 | Packsaddle Trail |
| | 2 | Paige Meadow Loop |
| | 1 | Paintbrush Canyon Trail to Holly L |
| | 1 | Painted Desert |
| | 1 | Painted Desert Rim Trail |
| | 1 | Painted Hand Pueblo |
| | 1 | Painted Rocks Petroglyph Site |
| | 1 | Palisade Rim Trail - Lower & Upper |
| | 4 | Palmer Mine Loop |
| | 1 | Panaca Kilns |
| | 1 | Panorama - Mist Trail |
| | 1 | Panorama Point - Capitol Reef NP |
| | 4 | Papago Buttes - Papago Park |
| | 2 | Paradise Lost |
| | 2 | Paradise Trail # 271 |
| | 1 | Paria Canyon |
| | 1 | Paria River Rimrock Toadstools |
| | 9 | Park Hollow Trail |
| | 1 | Parker Pass |
| | 1 | Parowan Gap Petroglyphs |
| | 3 | Pass Mountain Loop Trail #282 |
| | 2 | Paunsaugunt Trail |
| | 3 | Peak 2881 Loop (Apache Gap) |
| | 1 | Peak 3004 Loop - Goldfield Mtns |
| | 2 | Pedestal Ruins |
| | 2 | Peek-a-Boo Canyon Kanab |
| | 1 | Peek-a-boo Gulch |
| | 1 | Peek-A-Boo Loop Trail |
| | 1 | Pennyweight Trail |
| | 5 | Peralta Foothills |
| | 3 | Peralta to Fremont Saddle |
| | 4 | Peralta Trail #102 |
| | 1 | Perlite Road Apache Tears |
| | 1 | Peter Grubb Hut Via PCT |
| | 3 | Peter Norbeck Scenic Byway |
| | 2 | Peter's Cave |
| | 1 | Peter's Pass from Tortilla TH |
| | 1 | Petroglyph Canyon San Rafael |
| | 1 | Petroglyph Point |
| | 1 | Petroglyph Point Trail |
| | 1 | Petroglyph Trail |
| | 1 | Petroglyphs Narrows - Pioneer Regi |
| | 2 | Picacho Mountains Petroglyph Sites |
| | 3 | Picketpost Circumference |
| | 2 | Picketpost Mountain Summit |
| | 1 | Pictograph Cave State Park |
| | 1 | Picture Canyon - Flagstaff |
| | 2 | Piestewa Peak Summit Trail #300 |
| | 2 | Pigeon Springs Loop |
| | 1 | Pima Air and Space Museum |
| | 1 | Pima Canyon Trail #62 |
| | 1 | Pinal Peak 7848 |
| | 1 | Pine Grove Ghost Town |
| | 1 | Pine Mountain - AZT #21 |
| | 1 | Pine Ridge Trail |
| | 2 | Pinto Creek Bridge (Abandoned) |
| | 2 | Pinto Peak Trail #213 |
| | 1 | Pioneer Express Trail |
| | 1 | Plaikni Falls |
| | 1 | Plumas Eureka Mill |
| | 2 | Poet's Table |
| | 1 | Point Loma Tidepools and Bluffs Tr |
| | 1 | Poison Spider Dinosaur Tracks |
| | 1 | Pompeys Pillar |
| | 1 | Pony Express Trail Lower |
| | 1 | Pony Express Trail Upper |
| | 1 | Popo Agie Falls |
| | 3 | Poston Butte - Florence |
| | 1 | Potash Road Rock Art |
| | 1 | Potato Patch Loop |
| | 4 | Praying Hands Loop from Crosscut T |
| | 1 | Presidential Trail |
| | 2 | Presidio Ecology Trail Loop |
| | 1 | Preston - Ghost Town |
| | 2 | Prickly |
| | 1 | Prickly Pear Rock Art |
| | 2 | Prospectors Trail #57 - Superstiti |
| | 1 | Pueblo Alto Loop |
| | 1 | Pueblo Bonito |
| | 1 | Pueblo del Arroyo |
| | 1 | Pueblo Grande |
| | 1 | Puerco Pueblo |
| | 2 | Pusch's Flatiron |
| | 1 | Pyramid Lake Scenic Byway |
| | 1 | Quail Spring From Elephant Butte R |
| | 2 | Quail Spring to Eagle Spring |
| | 2 | Quarry Road Trail |
| | 5 | Quartz Crystal Arroyo |
| | 1 | Quebec Rock Bastion |
| | 1 | Queen's Garden Trail |
| | 1 | Quitchupah Creek Rock Art |
| | 1 | Ragged Point - Cliffside Trail & N |
| | 1 | Rain Day Meander |
| | 1 | Rainbow Forest Loop |
| | 1 | Ralston Peak |
| | 1 | Ramsey Canyon Trail |
| | 2 | Rancho San Rafael Park Trails |
| | 1 | Ranger Trail - South Mountain |
| | 1 | Ravens Nest |
| | 1 | Razor Point - Yucca Point - Beach |
| | 3 | Razorback Knob |
| | 1 | Reavis Canyon - AZT #18 |
| | 1 | Reavis Canyon - GET #2 |
| | 1 | Reavis Falls Hike |
| | 1 | Reavis Ranch Trail #109 |
| | 2 | Reavis Ranch via 109 North |
| | 1 | Reavis Ranch via 109 South |
| | 5 | Reavis Trail Canyon #509 |
| | 1 | Recapture Canyon |
| | 1 | Red Beds Trail |
| | 1 | Red Fir Nature Trail |
| | 1 | Red Hollow |
| | 1 | Red Knob Ruin |
| | 1 | Red Knob Ruins |
| | 1 | Red Panel Pictographs |
| | 1 | Red Reef Trail |
| | 1 | Red Rock Crossing |
| | 1 | Red Spring |
| | 1 | Red Tail Rim Trail |
| | 1 | Redstone Castle and Coke Ovens |
| | 1 | Redwood Trail |
| | 1 | Register Cliff |
| | 1 | Reno Junction Train Tunnel |
| | 1 | Rhyodacite Canyon |
| | 2 | Rhyolite Historic Site |
| | 1 | Ribbon Falls from Phantom Ranch |
| | 2 | Richmond Canyon Loop |
| | 2 | Ridge Lakes Trail |
| | 1 | Ridge Trail - Pipe Springs |
| | 1 | Rifle Falls |
| | 1 | Rim to Reno |
| | 1 | Rim Trail - Malakoff Diggins |
| | 1 | Rim Trail Loop |
| | 1 | Ringtail Trail - MSP |
| | 5 | Riparian Preserve at Water Ranch - |
| | 1 | River House Ruins |
| | 1 | River Mountain Trail |
| | 1 | River Mountains Loop Trail |
| | 1 | Rob's Trail |
| | 1 | Robbers Roost - Superstitions |
| | 1 | Robidoux Inscription & Rock Art |
| | 1 | Roc Creek Rock Art |
| | 2 | Rochester Rock Art |
| | 1 | Rock Art Ranch |
| | 1 | Rock House Cave |
| | 4 | Rock House Trail |
| | 1 | Rock Maze |
| | 1 | Rock Springs Loop |
| | 1 | Rockland Ghost Town |
| | 3 | Rogers Canyon Ruins |
| | 4 | Rough Eye Javelina Loop |
| | 10 | Rough N Ready Canyon |
| | 2 | Roughloch Canyon Falls |
| | 1 | Round Hill Pines Beach |
| | 1 | Round Lake Trail - Plumas NF |
| | 1 | Round Mountain Park - Globe |
| | 1 | Round Top Lake |
| | 1 | Round Valley Draw |
| | 1 | Rubicon Trail-OHV |
| | 1 | Ruby Crest to Lamoille Lake |
| | 1 | Rye Patch Reservoir |
| | 1 | Sacatone Canyon |
| | 2 | Saddle Mountain Mine Tour |
| | 1 | Sagehen Creek |
| | 1 | Salmon Creek Falls via Salmon Cree |
| | 1 | San Juan Bautista State Historic P |
| | 3 | San Juan River Hikes - Mile 0 to M |
| | 1 | San Pedro Trail |
| | 1 | San Rafael Swinging Bridge |
| | 1 | Sand Canyon Pueblo |
| | 1 | Sand Dollar Beach |
| | 1 | Sand Harbor |
| | 4 | Sand Island |
| | 1 | Sand Pond Loop |
| | 1 | Sand Springs Pony Express Station |
| | 1 | Sandal Trail - Betatakin Overlook |
| | 1 | Sandstone Bluffs / La Ventana Arch |
| | 1 | Sandy Meadow |
| | 2 | Sandy Trail |
| | 1 | Scenic Byway 12 |
| | 1 | Scenic Trail - MMRP |
| | 1 | Scored Rock |
| | 4 | Scottsdale Greenbelt |
| | 1 | Sea Lion Point Trail |
| | 1 | Sea to City Walk |
| | 1 | Sears-Kay Ruin |
| | 2 | Second Water - Black Mesa cut Loop |
| | 2 | Second Water Trail #236 |
| | 2 | Sego Canyon Rock Art and Ghost Tow |
| | 1 | Sendero Esperanza Trail - Saguaro |
| | 2 | Sentinel Cave |
| | 1 | Sentinel Dome Trail |
| | 1 | Seven Falls - Sabino Canyon Recrea |
| | 1 | Seven Kivas - Cedar Mesa |
| | 1 | Seven Mile Canyon |
| | 1 | Seventeen Room Ruin |
| | 1 | Shafer Canyon Road |
| | 1 | Shakespear Arch |
| | 1 | Shawmut Trainspotting Loop |
| | 1 | Shay Canyon-Indian Creek |
| | 2 | Sheiks Canyon |
| | 1 | Shingle Creek Trail |
| | 2 | Shirley Lake Trail |
| | 1 | Shoe Tree |
| | 1 | Shoofly Village Ruins |
| | 2 | Shoreline Park |
| | 1 | Shoreline Stroll Trail |
| | 1 | Short Canyon Rock Art |
| | 1 | Sid and Charlie - Salt Wash |
| | 1 | Sidewinder |
| | 1 | Sierra Buttes Lookout |
| | 2 | Sierra Canyon - Toiyabe NF |
| | 1 | Silent Sentinel Rockart |
| | 7 | Silly Mountain Circumference |
| | 8 | Silly Mountain Trail System |
| | 1 | Silver Island Mountain Backcountry |
| | 1 | Silver Lake Trail - Plumas NF |
| | 1 | Silver Spur Meadow Trail |
| | 1 | Sinkhole Trail #511 - Canyon Point |
| | 1 | Sinks Canyon |
| | 1 | Sinks Cave Trail |
| | 9 | Siphon Draw Trail #53 |
| | 1 | Skull Cave |
| | 1 | Skull Cave - Lava Beds NM |
| | 1 | Skunk Harbor |
| | 1 | Sky Island - Goldfield |
| | 1 | Slate Trail - CCRP |
| | 1 | Slickhorn Canyon Fork # 1 |
| | 1 | Slickhorn Fork # 6 |
| | 1 | Slickrock Foot Trail |
| | 1 | Slot Canyons of Dry Fork Coyote Gu |
| | 2 | Smith River Scenic Byway |
| | 1 | Snake River Canyon Rim Trail |
| | 1 | Snake River Rafting |
| | 1 | Soap Creek Canyon |
| | 3 | Sonora Pass Scenic Highway |
| | 5 | Sonora Pass to Echo Lake Resort - |
| | 1 | Sound of Silence Trail |
| | 1 | South Big Horn/Red Wall Scenic Bac |
| | 4 | South Butte - Gila River |
| | 1 | South Fork Mule Canyon |
| | 2 | South Fork of the American River |
| | 1 | South Grove Trail |
| | 1 | South Kaibab Trail |
| | 2 | South Lake Tahoe Bike Trail |
| | 8 | South Meadow |
| | 1 | South Pass City |
| | 1 | South Plateau Trail |
| | 1 | South Rim Trail - Cedar Breaks NM |
| | 1 | South Shore Trail |
| | 1 | Sow Belly Gulch |
| | 1 | Spanish Bay to Bird Rock Trail |
| | 1 | Spanish Valley Rock Art |
| | 1 | Spearfish Falls |
| | 1 | Spencer Meadows National Recreatio |
| | 1 | Spencer Trail - Marble Canyon |
| | 1 | Sphinx Rock Ruins/Uppermost White |
| | 1 | Spillway Trail - Usery |
| | 1 | Spirit Arch |
| | 5 | Spirit Canyon |
| | 1 | Spirit Mountain |
| | 1 | Split Level Ruins |
| | 1 | Spokane - Ghost Town |
| | 1 | Spooky Slot Escalante |
| | 2 | Spooner Lake Loop |
| | 2 | Spooner Summit to Kingsbury |
| | 1 | Spooner Summit-Kingsbury Grade TRT |
| | 1 | Spring Hollow Box Canyon |
| | 1 | Spruce Canyon Trail |
| | 1 | Square Top Lakes Trail |
| | 1 | Squaw Creek |
| | 4 | SR49 Sierra Cty to SR70 Beldon Brd |
| | 3 | SR70 Beldon Bridge to Burney Falls |
| | 1 | St Mary Falls - GNP |
| | 1 | Stagebarn Canyon |
| | 1 | Stampede Reservoir |
| | 1 | Standardville Ghost Town |
| | 1 | Stansbury Island Petroglyphs |
| | 1 | Stanton Lake |
| | 1 | Starvation Creek Explorations Trai |
| | 1 | State Bridge |
| | 2 | Stateline Lookout Trail |
| | 1 | Steamboat Creek |
| | 3 | Steamboat Hot Springs Loop |
| | 4 | Steamboat-Canal Trail |
| | 1 | Steel Bender Trail |
| | 1 | Step Canyon |
| | 1 | Stevenot Camp |
| | 1 | Stevens Trail-East |
| | 1 | Stevens Trail-West |
| | 2 | Stewart Mountain |
| | 3 | Stewart Mountain Dam - Petroglyphs |
| | 6 | Stoneman Grade |
| | 1 | Stories in Stone Petroglyphs |
| | 1 | Storm Point |
| | 1 | Stratobowl Rim Trail |
| | 1 | Stud Creek |
| | 1 | Subway Cave Loop |
| | 1 | Sugar Knoll - Red Cave |
| | 1 | Sugar Pine Mountain Trail |
| | 1 | Sugar Pine Railway |
| | 1 | Sugarloaf Mountain 7310 - Chiricah |
| | 1 | Sugarloaf Mtn - Bullhead City |
| | 1 | Sulphur Works Trail |
| | 1 | Summit Lake - Toiyabe NF |
| | 1 | Sunday Gulch Trail |
| | 1 | Sunnyside Coke Ovens |
| | 1 | Sunrise and Sunset Arches |
| | 1 | Sunrise Arch - Goldfield Mtns |
| | 1 | Sunrise Trail |
| | 1 | Sunset Arch |
| | 1 | Sunset Cliffs Park Trail |
| | 1 | Sunset Peak - Gold Canyon |
| | 1 | Sunset Vista Trail - Picacho Peak |
| | 1 | Superstition Peak 5057 - Carney |
| | 1 | Superstition Peak 5057 Loop via Hi |
| | 1 | Superstition Ridgeline |
| | 9 | Superstition View - Silly Mtn |
| | 1 | Superstition Wilderness - GET #1 |
| | 2 | Superstition Wilderness - Scenic 4 |
| | 5 | Swan Lake Nature Study Area Trail |
| | 1 | Swanson Creek Nature Trail Loop |
| | 1 | Swaseys Cabin / Ice Box Trail |
| | 2 | Sycamore Spring Ruins |
| | 2 | Sylvan Lake Shore Trail |
| | 1 | Sylvan Lake to Black Elk Peak Trai |
| | 1 | Taft Point and The Fissures |
| | 2 | Tahoe City To Watson Lake |
| | 3 | Tahoe City-Squaw Valley River Trai |
| | 1 | Tahoe Meadows Interpretive Trail T |
| | 1 | Tahoe Meadows to Spooner Summit TR |
| | 1 | Tahoe Queen |
| | 1 | Tahoe State Park |
| | 5 | Tahoe-Pyramid Bikeway |
| | 1 | Tahoe-Yosemite Trail |
| | 1 | Tallac Historic Site and Tallac Po |
| | 1 | Tamanawas Falls |
| | 3 | Tamarack Peak Loop |
| | 1 | Tanque Verde Falls |
| | 5 | Target & Ballroom Cave Ruins |
| | 1 | Taylor Creek Trail - Middle Fork |
| | 2 | Tech Loop |
| | 1 | Telegraph Pass Trail - South Mount |
| | 2 | Tempe Town Lake |
| | 1 | Temple Mountain Pictograms |
| | 1 | Temple Mountain Townsite Ghost Tow |
| | 2 | Terrapin Trail #234 |
| | 1 | The Barracks |
| | 1 | The Castles |
| | 1 | The Citadel |
| | 1 | The Comb - Monarch Cave |
| | 1 | The Comb - Procession Panel |
| | 1 | The Comstock Trail |
| | 1 | The Great Gallery |
| | 1 | The Highline Trail |
| | 1 | The Highline Trail - Garden Wall |
| | 1 | The Juggler Rock Art |
| | 1 | The Maze Rock Art Site |
| | 1 | The Pinnacles |
| | 1 | The South Rim - Clear Lake Loop |
| | 2 | The Swinging Bridge |
| | 1 | The Upper Natural Bridge of Calave |
| | 1 | The Wedge |
| | 1 | Thistle Ghost Town |
| | 2 | Thoen Stone |
| | 1 | Thomas Creek - Reno |
| | 1 | Thomas Creek Trail |
| | 2 | Thompson Trail #121 |
| | 1 | Three Finger Canyon |
| | 1 | Three Kiva Pueblo |
| | 2 | Three Lesser Peaks Trail |
| | 2 | Three Rivers Petroglyph Site |
| | 1 | Three Sisters |
| | 1 | Three Turkey Ruins |
| | 2 | Thunder Mountain Monument |
| | 2 | Tinton Ghost Town |
| | 1 | To-Ko-Chi Canyon Ruins |
| | 1 | Todie Canyon to Grand Gulch |
| | 1 | Tom Cooke Trail |
| | 3 | Tomahawk Mine Trail |
| | 2 | Tomb Trail |
| | 1 | Tompkins Memorial Trail |
| | 2 | Tonto National Monument - Lower Dw |
| | 1 | Tonto National Monument - Upper Dw |
| | 2 | Tonto Natural Bridge |
| | 3 | Tonto Wagon Road - Mesquite Flat S |
| | 1 | Tony's Backyard |
| | 2 | Top Hat Loop |
| | 1 | Tortilla - Fish Mesa |
| | 2 | Tortilla Ranch Car Camp |
| | 1 | Tower Ruin |
| | 1 | Tower Trail |
| | 2 | Town Trail |
| | 3 | Towne Road Loop |
| | 1 | Townsite Mine |
| | 1 | Trail of the Cedars - Glacier NP |
| | 1 | Trail Ridge Road - Rocky Mountain |
| | 2 | Trail Through Time |
| | 1 | Trans - Catalina Trail |
| | 1 | Trans Goldfield |
| | 1 | Travertine Hot Springs |
| | 1 | Treasure Hill Loop |
| | 5 | Treasure Loop to Praying Hands |
| | 6 | Treasure Loop Trail #56 |
| | 3 | Triple Arch via Black Glass Canyon |
| | 4 | Truckee River - Mayberry |
| | 1 | Turks Backyard - The Canyon |
| | 6 | Turks Head - Peak 2822 |
| | 1 | Tusayan Ruins Trail |
| | 1 | Tusher Tunnel |
| | 2 | Tuzigoot National Monument - Puebl |
| | 1 | Twentymile Wash Dinosaur Megatrack |
| | 1 | Twin Arches |
| | 1 | Two Guns |
| | 1 | Una Vida |
| | 1 | Unaweep-Tabeguache Scenic and Hist |
| | 2 | Union Canyon Trail |
| | 1 | Upper and Lower Twin Lakes |
| | 1 | Upper Burro Creek Canyon |
| | 1 | Upper Deep Creek |
| | 1 | Upper Geyser Basin |
| | 1 | Upper Road Canyon |
| | 1 | Upper Salt River |
| | 2 | Upper Velma Lake Trail |
| | 1 | Usery Rd to Meridian |
| | 1 | Ute Mountain Tribal Park Ruins |
| | 1 | Ute Trail |
| | 1 | Valentine Cave |
| | 1 | Valley of the Gods |
| | 2 | Valley View Loop |
| | 1 | Van Sickle Bi-State Trail |
| | 1 | Verde Canyon Railroad |
| | 1 | Vermilion Cliffs Access Trail #6 |
| | 2 | Veteran's Oasis Park |
| | 2 | Vikingsholm To Lower Eagle Falls |
| | 8 | Virginia City Walking Tour |
| | 3 | Volcanic Legacy Scenic Byway |
| | 1 | Volcano Peak |
| | 1 | Vortex Trail |
| | 2 | Vultee Arch Trail #22 |
| | 1 | Vulture Mine |
| | 1 | Wahkeena Falls to Devils Rest |
| | 1 | Walker Lake Trails |
| | 1 | Walnut Canyon |
| | 1 | Walnut Knob Ruin / Petroglyphs |
| | 2 | Wapama Falls |
| | 1 | Ward Creek Blvd To Twin Peaks |
| | 1 | Wards Ferry Road |
| | 2 | Warm Springs |
| | 1 | Warner Valley Dinosaur Track Site |
| | 5 | Washington Hill Mining District Lo |
| | 1 | Washoe Lake |
| | 7 | Water Tower Trail |
| | 1 | Waterfall Trail - White Tanks |
| | 1 | Waterholes Canyon |
| | 3 | Wave Cave |
| | 1 | Waving Hands Rock Art |
| | 1 | Wawona Waterfalls |
| | 1 | Weaver's - Base of the Needle |
| | 2 | Weaver's Needle Crosscut |
| | 1 | Weaver's Needle Loop from Pera |
| | 2 | Weekes Wash |
| | 1 | Wellington Pillars |
| | 1 | West Boulder Saddle |
| | 1 | West Creek Falls |
| | 1 | West Highway 120 Waterfalls |
| | 1 | West Martis Creek |
| | 1 | West Pinto - Campaign to Divide |
| | 1 | West Valley Floor |
| | 5 | Western States Trail |
| | 1 | Whaler's Knoll Trail |
| | 1 | Whetrock Canyon Loop |
| | 1 | Whiskers Draw |
| | 1 | Whiskey Basin Rock Art |
| | 1 | White Birds Rock Art |
| | 5 | White Canyon |
| | 2 | White Canyon Hwy 95 Milepost 57 |
| | 1 | White Canyon Upper - SW Approach F |
| | 2 | White Cliffs Wagon Trail |
| | 2 | White House Ruin Trail - Canyon de |
| | 1 | White Mountain Petroglyphs |
| | 1 | White Point and Point Fermin Park |
| | 1 | White Rock - La Madre Spring Loop |
| | 3 | Whites Canyon Trail |
| | 2 | Whitlow Dam |
| | 1 | Whitmore Trail |
| | 1 | Wild Plum Trail |
| | 1 | Wildcat Cavern |
| | 1 | Wildcat Trail - Monument Valley |
| | 1 | Wildhorse Canyon |
| | 2 | Wildhorse Trail - Saguaro NP |
| | 1 | Wildrose Peak Trail |
| | 1 | Willis Creek Narrows |
| | 3 | Willow Creek to Saguaro Lake |
| | 1 | Willow Gulch to Broken Bow Arch |
| | 3 | Willow Springs Basin |
| | 1 | Willow Springs Basin Trail |
| | 5 | Willow Springs Canyon Lower |
| | 7 | Willow Springs Canyon to Bagley Ta |
| | 1 | Wilson Peak Trail |
| | 2 | Wind Cave Canyon Trail |
| | 2 | Wind Cave Trail #281 |
| | 1 | Windgate Bell Loop |
| | 1 | Window Rock and Indian Route 12 |
| | 1 | Windows - Arches NP |
| | 1 | Winnemucca and Round Top Lakes Loo |
| | 1 | Winnemucca Lake |
| | 1 | Wire Pass |
| | 3 | Wishbone Junction - Goldfields Mtn |
| | 2 | Wolfman Petroglyphs |
| | 1 | Wood Camp Cabin |
| | 1 | Wood Canyon - Upper Rim |
| | 1 | Wood Canyon from FR230 (Arnett Rd) |
| | 1 | Woodbury Trail #114 |
| | 1 | Woodchuck Basin |
| | 1 | Woodpecker Mine Trail |
| | 1 | Woods Lake Loop |
| | 1 | Wupatki Ruins National Monument Tr |
| | 1 | Yellow Cat Mine Ruins |
| | 1 | Zebra and Tunnel Slots |
