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Tunnel Spring - 3 members in 8 triplogs have rated this an average 3.7 ( 1 to 5 best )
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Jan 09 2021
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 Guides 25
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40 male
 Joined Mar 01 2018
 Chandler, AZ
Kofa Tunnel Spring High Tanks Loop, AZ 
Kofa Tunnel Spring High Tanks Loop, AZ
 
Hiking avatar Jan 09 2021
John10sTriplogs 346
Hiking11.25 Miles 1,963 AEG
Hiking11.25 Miles   7 Hrs   12 Mns   1.85 mph
1,963 ft AEG   1 Hour   8 Mns Break
 
1st trip
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TboneKathy
After two recent hikes in the Eagletails looking west at the jagged peaks of the Kofa Mountains, I wanted to check out that area up close. After scanning through triplogs for a few of the peaks and canyon hikes, I mapped out a loop that would include Tunnel Spring a few of the high tanks. It's a long drive from the Phoenix area out to the Kofa Mountains--more than three hours--and the last stretch along the dirt roads off of Highway 95 definitely requires a high-clearance vehicle. We were surprised to find a locked gate with a "No Trespassing" sign along El Paso Natural Gas Access Road ~5 miles off the highway. There was a side road around the gate and several campers were parked on the other side, and since we only needed to follow the pipeline road a short distance before turning off, we went around the gate and continued. Seeing the same "No Trespassing" sign on the opposite side of the gate had me wondering how someone could be trespassing on both sides of the road when it was only posted in that one spot...

The geology looked a lot like the Eagletails--we saw two arches on the drive to our starting point along Valve 2 Road near High Tank Six. We started our counter-clockwise loop from there and hiked up through the brush to High Tank Six which was, not surprisingly, completely dry. From there, we hiked up over a ridge into Tunnel Spring Canyon. That was a beautiful area full of jagged peaks and rock formations, towering walls, small caves, and a few more natural arches. The canyon was a lot greener than I expected in such a dry year, and we followed a flat, rocky wash south to Tunnel Spring.

The side canyon to the spring had a different atmosphere, with a lot thicker foliage thanks to the spring. A cool wind whipped through the canyon as we made our way up toward the spring, and we saw a deer run off as we approached. We reached the base of the cliff and didn't see the cave with the spring, and I figured it must be around the corner to the west. My partner stayed below while I made the scramble up the rocks toward the cave. The final stretch of the climb was slick with a combination of water, mud, algae, and a sampling of poop from a variety of animals. There was a metal spike stuck in the rock with a thick knot tied around it, but the rope was gone. A second rope was anchored up in the cave and offered some help for the final ascent. The rope was useful but soaking wet and slick, and my hands were filthy by the time I reached the top. Judging by the amount of poop leading up to and especially inside the cave, it's clearly a popular watering hole for animals. [ youtube video ]

There were two concrete tanks in the cave--one directly in the back that was full of water trickling out of the spring, and a second tank with a game camera that was empty. The view looking out from the cave was nice, and as I made my way back down the slick rope, my phone slipped out of my pocket and started tumbling down the rocks ahead of me. I thought I'd have a cracked screen or a destroyed phone, but somehow it survived the fall muddy but otherwise unscathed. When I made it back down to the base of the cliff, my clothes were covered in mud/poop and my shorts were soaked from sliding down the rope area, but it was a fun climb.

Before we continued the loop, I checked out a small structure on the opposite side of the canyon. I'm not sure what purpose it served--it was a small, run-down shack that looked like it was covered in metal screens on most sides. The view looking up toward Tunnel Spring from that spot was great--a much better vantage point there than from the direction we'd come approached from.

We connected with a jeep road and hiked a few fast miles toward Burro Canyon. I'd mapped out a side spur to High Tank Eight and De La Osa Well, but we were running short on time after a later-than-usual start due to the long drive and some tire issues in the morning, so we skipped the spur. Before reaching Burro Canyon, we left the road and cut over to High Tank Seven. That was the most developed of the tanks--it had a stone wall and a metal awning covering the tank, which was holding quite a bit of water. We climbed up the steep wall behind the tank and continued to the northeast on our way to Cripple Tank. We ended up slightly to the west of the route I'd mapped out and bypassed the tank, but we climbed down into the wash, and I ran back and checked out Cripple Tank, which was undeveloped and dry--it looked like there would be a sizable pool in wetter seasons/years, but not today.

We followed the wash toward High Tank Nine, and we must have bypassed it--the map shows it slightly west of the wash, but since we were short on time, we didn't go looking for it. There was some water seeping out of the ground in that area, and the closest thing we saw to anything developed were some sections of metal pipe stashed in a cave off to the side. Next up was Towhee Tank, and the canyon started to narrow considerably, with increasingly tall and narrow dryfalls. We climbed/slid down a few of them, including one that was close to ten feet high, and I started to get concerned that we might cliff out and have to backtrack...if that were the case, we'd be hiking out in the dark by flashlight.

There was definitely a serious "uh oh" moment when I turned a corner and saw a rappelling tie-in on the canyon wall. I approached the ledge and looked down a 30-foot vertical drop, knowing that however we were going to get out, it wasn't going to be that way. I wondered if I'd missed or mis-read something in the triplogs and if the route I'd mapped required rappelling, which we were not prepared or equipped to do. But, much to our relief, we were able to climb up and around that dead-end on the east side of the canyon and bypass the drop-offs in the wash. There were some slow stretches up above with loose dirt and talus, but the route worked out and finally started to level off as the canyon widened. I found Towhee Canyon to be the most impressive area along the loop--it's a beautiful, rugged area with the narrow canyons, several big caves high in the walls, and towering spires.

We saw a few more natural arches--including one we'd seen earlier from the other side in the morning--as we finished off the ~ 11 mile loop, very happy that we didn't end up having to backtrack and turn it into a much longer day than expected. We didn't see any other hikers along the loop, just one hunter and a parade of ATVs along the jeep road. It was a very enjoyable introduction to the Kofa Mountains and definitely worthy of future visits--I plan to return to check out some of the peaks and more of the canyon hikes.

dry Cripple Tank Dry Dry

water 1 out of 5water 2 out of 5water 3 out of 5water less than max High Tank Seven 51-75% full 51-75% full
Very dry most places along the route, but the tank looked like it was more than half full

dry High Tank Six Dry Dry

water 1 out of 5water less than maxwater less than maxwater less than max Tunnel Spring Dripping Dripping
Full tank and dripping water in the back of the cave where the spring feeds the concrete basin. The smaller concrete cave near the game camera was empty
  2 archives
Apr 12 2020
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43 male
 Joined Jan 21 2013
 AZ
Tunnel SpringSouthwest, AZ
Southwest, AZ
Hiking avatar Apr 12 2020
FOTGTriplogs 1,052
Hiking2.45 Miles 539 AEG
Hiking2.45 Miles
539 ft AEG
 no routes
1st trip
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This was a very cool hike and I thank JJ and Chumley for the inspiration, as I remember my initial interest being piqued by their triplogs here a few years ago now.

The spring is a definitely a worthy destination and the hike was greatly enhanced by some pretty substantial wildflowers along the way. We found the drive in nearly as enjoyable and scenic. I have a new found interest for this area after this weekend. I am eager to do a little more exploring.

Happy Easter.
wildflower observationwildflower observationwildflower observationwildflower observationwildflower observation
Wildflowers Observation Substantial

water 1 out of 5water 2 out of 5water 3 out of 5water 4 out of 5 Tunnel Spring Gallon + per minute Gallon + per minute
Full trough.
_____________________
  3 archives
Jan 14 2018
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 Guides 94
 Routes 840
 Photos 22,055
 Triplogs 1,993

52 male
 Joined Sep 18 2002
 Tempe, AZ
Kofa Exploring, AZ 
Kofa Exploring, AZ
 
Hiking avatar Jan 14 2018
chumleyTriplogs 1,993
Hiking9.95 Miles 2,465 AEG
Hiking9.95 Miles   5 Hrs   18 Mns   2.04 mph
2,465 ft AEG      25 Mns Break
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John9L
It's the Kofa time of year, and there were a few new places I wanted to check out while introducing 9L to some gems that he hadn't been to before.

Managed to hit High Tanks 7, 8, and 9. All had water, but were lower than last year. Which was a little strange because last week's rain left no shortage of pools and pockets of water anywhere there was bedrock. Tunnel Spring was full as normal, and the rope in similar condition to the past few visits. Tunnel Spring Canyon is really picturesque.

Towhee Canyon is a gem. It also had less water than last year, but still ample pools at Cripple and the narrows.

Next, decided to find out if there was water at Budweiser Spring. Indeed there was. There's no distinct spring, and barely any flow at all, but enough for their to be moisture in the canyon that fills the bedrock pools. This "flow" is likely overwhelmed by evaporation during warmer months and a higher angle of sunshine.

There was also a great view of the pathetically named "natural arch" and an old rock wall that I think is more likely to be related to mining than to habitation.

We explored a very cool narrow slot off Burro Canyon in hopes of finding water. We didn't, but I was surprised to be able to make it through. There were a few obstacles along the way, but I was able to get past all of them. This was a real surprise.

De La Osa well has an unusual wooden screened structure, exactly like one below Tunnel Spring. I have no idea what it was used for. De La Osa Falls were not running.

water 1 out of 5water less than maxwater less than maxwater less than max Budweiser Spring Dripping Dripping

dry Burro Canyon Dry Dry

water 1 out of 5water 2 out of 5water less than maxwater less than max Cripple Tank 26-50% full 26-50% full

water 1 out of 5water 2 out of 5water less than maxwater less than max High Tank 26-50% full 26-50% full

water 1 out of 5water less than maxwater less than maxwater less than max High Tank Nine 1-25% full 1-25% full

water 1 out of 5water 2 out of 5water 3 out of 5water less than max High Tank Seven 51-75% full 51-75% full

water 1 out of 5water 2 out of 5water 3 out of 5water less than max Towhee Tank 51-75% full 51-75% full

water 1 out of 5water less than maxwater less than maxwater less than max Tunnel Spring Dripping Dripping
Full spring box
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I'm not sure what my spirit animal is, but I'm confident it has rabies.
 
Jan 15 2017
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 Guides 94
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52 male
 Joined Sep 18 2002
 Tempe, AZ
Tunnel Spring Cyn / Towhee Loop, AZ 
Tunnel Spring Cyn / Towhee Loop, AZ
 
Hiking avatar Jan 15 2017
chumleyTriplogs 1,993
Hiking10.85 Miles 1,930 AEG
Hiking10.85 Miles   5 Hrs   33 Mns   2.30 mph
1,930 ft AEG      50 Mns Break
 
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DallinW
Tough_Boots
I've been eyeing the northern Kofa for a while now, wanting to get out of starting from Kofa Queen Canyon. The High Tank Nine area looked good and I was able to pencil in a loop using Tunnel Mine Canyon, a little bit of Burro Canyon road walking and the rugged, narrow, Towhee Canyon (we made that name up -- as with many features out here, there are no names on the map).

The wide canyon bottoms are easy to traverse. We were happy to find good trail in the drainage south of High Tank Six, between Tunnel Mine Spring and the road east of De La Osa Well, from Burro Canyon to High Tank Seven, and a reasonable route on the bypass from Towhee Tank to the opening of the canyon. The rest was relatively open with plenty of dodging prickly things.

Despite the storms over the weekend elsewhere, it did not rain in the Kofa. There was plenty of water in the bedrock canyons however. Normal rainfall in December is 0.5-1" and December 2016 received 1-2" by radar estimates, so it may be wetter this year than others. The last rain was two weeks prior, on January 1 with approximately half an inch. Spring wildflowers here may be good this year.

dry Burro Canyon Dry Dry
Sandy and dry. No bedrock to hold water.

water 1 out of 5water 2 out of 5water 3 out of 5water 4 out of 5 Cripple Tank 76-100% full 76-100% full
Not developed. Just a pothole under the falls in bedrock. Almost full. Other pools in bedrock along drainage had water too.

dry High Tank Nine Dry Dry
Small concrete dam filled in with sand and sandy below it too. But plenty of pools in bedrock up and downstream.

water 1 out of 5water 2 out of 5water 3 out of 5water 4 out of 5 High Tank Seven 76-100% full 76-100% full
Clear and cold.

water 1 out of 5water 2 out of 5water 3 out of 5water 4 out of 5 High Tank Six 76-100% full 76-100% full
Not quite running over the falls, but almost totally full. Hadn't rained in over a week. Pools in drainage above it too.

water 1 out of 5water 2 out of 5water 3 out of 5water 4 out of 5 Towhee Tank 76-100% full 76-100% full
Not flowing, but pools in every pot along the way down canyon. Only the very top pool is accessible without technical gear.

water 1 out of 5water less than maxwater less than maxwater less than max Tunnel Spring Dripping Dripping
Full springbox. Clear and cold. I think this one is reliable all year!

dry Tunnel Spring Canyon Dry Dry
Sandy and dry. No bedrock to hold water.
_____________________
I'm not sure what my spirit animal is, but I'm confident it has rabies.
 
Nov 16 2016
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 Guides 264
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 Triplogs 5,894

55 male
 Joined Nov 20 1996
 
Old Smokey - Tunnel Spring Loop, AZ 
Old Smokey - Tunnel Spring Loop, AZ
 
Hiking avatar Nov 16 2016
joebartelsTriplogs 5,894
Hiking12.65 Miles 3,556 AEG
Hiking12.65 Miles   7 Hrs   28 Mns   1.86 mph
3,556 ft AEG      39 Mns Break14 LBS Pack
 
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JuanJaimeiii
The CHUMS trip to the KofA Cabana last March was an eye opener so I was eager to return. I paid more attention to the drive in. It's aggressive. The last mile would be wise to have 4wd high clearance. jj stopped near the parking and we were both shocked he was stuck. Apparently the front passenger worked into a campfire ring. The bigger rocks kept that tire in place and the others dug in the small loose gravel without momentum. Easily moved the fire ring rocks, just odd.

A printed map or a working phone would be great for this type of off-trail hike. The extent of my planning blows. Basically... what time do we meet. So we spent more time figuring out the route on Fenix than needed. It works great when you keep moving, not so much for slow off trail.

Old Smokey was great again. JJ read the register notes aloud as did CHUMS. I could probably recite 'em now.
- Possible 1st summit 1982 ( ish )
- UofA Ramblers, 12 days after 1st possible summit...lol

Somehow forgot about the scree getting up Smokey, ugg. The descent down pastel hill still fascinates. Cloudy most of the day, pleasant temps and a breeze made the hike enjoyable throughout.

The majority of the hike is to/from Tunnel Spring. The off trail is mostly brush free, or at least that is what I told myself. Still is but boy my shins took a beating. Tunnel Spring must be witnessed to understand the lure. Once again, I'm not a fan of getting down with the slimy mud. jj avoided it easily whereas I looked like a two year old that jumped in it. The aggressive hike out didn't seem so bad this round, the continuous breeze probably helped.

Love this loop, next time something else =)

water 1 out of 5water 2 out of 5water 3 out of 5water 4 out of 5 De La Ossa Well 76-100% full 76-100% full
full, thin scum layer on top

water 1 out of 5water 2 out of 5water 3 out of 5water 4 out of 5 High Tank 76-100% full 76-100% full
full, thin scum layer on top

water 1 out of 5water 2 out of 5water less than maxwater less than max Tunnel Spring Quart per minute Quart per minute
Big tank is full, little is empty. Evidence of Big Horn shows they jump up into the tunnel.
_____________________
- joe
 
Nov 16 2016
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 Routes 596
 Photos 9,604
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58 male
 Joined Jan 30 2011
 Chandler, AZ
Old Smokey - Tunnel Spring Loop, AZ 
Old Smokey - Tunnel Spring Loop, AZ
 
Hiking avatar Nov 16 2016
JuanJaimeiiiTriplogs 2,400
Hiking12.65 Miles 3,556 AEG
Hiking12.65 Miles   7 Hrs   28 Mns   1.86 mph
3,556 ft AEG      39 Mns Break
 
1st trip
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joebartels
Several years ago I did Palm Canyon in the Kofa's on my way to do Cactus to Clouds. That was my last and only visit to this unique and intriguing Mountain Range. The rock formations are rugged and visually stunning.

The drive in is smooth on the main road and then rocky and rough on the Queen Canyon Road. It can be navigated just fine with a high clearance vehicle but be prepared to be rattled by the end of the 8.6 mile road.

The highlights of this off trail loop are Old Smokey and Tunnel Spring. Old Smokey really delivers with a fun scramble at the end and amazing views in all directions. I'm not one to spend much time on a summit but I could have easily spent a half hour on this one. As it was we were probably up there 20 minutes while I read off the old entries in the register. The register is intriguing since the posts date back to 1980. The last recorded visit was by Chumley and Joe in March.

After Old Smokey it was a seemingly long off trail trek across this rugged range and then Boom, there it was! Tunnel Spring which is one of the coolest things I have encountered on a hike. This would be extremely hard to describe and do it justice. It's a huge cavern in the side of a massive rock that has a spring inside and water trickling out. I know it doesn't sound like a big deal but it is! It is super cool and it was evident that the Big Horn Sheep think so too.

From tunnel spring it's more off trail hiking over the easily traveled range back to your starting point. I wouldn't attempt this one in the summer unless you started really early and took a ton of water. Best done on a cooler day.

From my home this was over a three hours drive. Totally worth it!
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Mar 12 2016
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 Guides 94
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52 male
 Joined Sep 18 2002
 Tempe, AZ
Old Smokey - Tunnel Spring Loop, AZ 
Old Smokey - Tunnel Spring Loop, AZ
 
Hiking avatar Mar 12 2016
chumleyTriplogs 1,993
Hiking12.41 Miles 3,515 AEG
Hiking12.41 Miles   8 Hrs   59 Mns   1.55 mph
3,515 ft AEG   1 Hour    Break
 
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joebartels
Ol' Smokey has been on the list since a former hazzer introduced me to it two years ago. The KofAs have what I view as about a 4-month window of enjoyable visitation. November-February. Others tolerate the heat more than I do, but this is a place of extremes. A cold front was coming through and the temperatures were set to drop 10-15 degrees so I figured that with highs near 70 Saturday would make a good day for what would likely be my best last chance to spend some time here this season.

I penciled in a few routes with options as I wanted to explore potential water sources for future endeavors out here, and figured that the trip up Smokey would certainly not be an all-day affair. In fact, I think a Smokey, Signal, and Ten Ewe trifecta might be a killer day sometime!

We opted for the more direct route to Smokey (almost due south), beginning with a climb straight up a steep 500-foot hill from the end of the KofA Queen Canyon road before generally following a drainage until it swings around to the steep, rock-scree northeast flank that makes the easiest approach to the summit. Upon reaching the "crux" ... a short stretch of ridge about 2-feet wide that climbs to the summit ... I was happy to realize that I would in fact be able to fight off the mental block that the ridiculous exposure hits you with. The footing and hand holds really are abundant, and the wind was perfectly calm.

The summit register was placed in 1980 and there are not many pages with names. The register is in a rusted container that could use a new replacement. We took a short break before making our way down the steep slope.

My next primary objective on the day was to find Tunnel Spring, for which I had found some teasing information online, but not much else. Along the way we spotted some bighorn sheep, an old well, a well-developed tinaja with a trickle of flow below a 50-foot dryfall, an incredible diversity of geology, and some impressively developed sheep trails.

Tunnel Spring was even more impressive than I had envisioned, and we managed to climb up to it with the assistance of a rope left in place by AZGFD which maintains the trough here for the local sheep population. The current rope doesn't have much life left, so if you come this way, bringing your own might be a good idea. It would be a challenge to get up without a rope, and likely impossible to get down. The shade of the "cave" was welcome and cool, and the water clear and delicious. A real treat in these rugged mountains!

From here we had to make our way back to KofA Queen Canyon and the road to the truck, but that involved ascending about 900 feet over one ridge, dropping into Tunnel Mine Canyon, and then climbing over another smaller ridge. I had originally planned a longer route for this part of the hike, but we opted for a shorter, more direct route back, and were happy with the result as it made it possible to get out to the west of the range in time for a colorful sunset.
 Fauna
 Fauna [ checklist ]
[ checklist ]  Bighorn Sheep
 Culture
 Culture [ checklist ]
[ checklist ]  Water Well  Windmill
_____________________
I'm not sure what my spirit animal is, but I'm confident it has rabies.
  1 archive
Mar 12 2016
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 Guides 264
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 Photos 14,494
 Triplogs 5,894

55 male
 Joined Nov 20 1996
 
Old Smokey - Tunnel Spring Loop, AZ 
Old Smokey - Tunnel Spring Loop, AZ
 
Hiking avatar Mar 12 2016
joebartelsTriplogs 5,894
Hiking12.50 Miles 3,400 AEG
Hiking12.50 Miles   9 Hrs      1.56 mph
3,400 ft AEG   1 Hour    Break14 LBS Pack
 
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chumley
18 years since my last visit to Palm Canyon, back into the KOFA Cabana!

Old Smokey was seemingly the highlight of the loop and a done deal in just over 2 miles. It's rated c3 ( class 3 ) over a narrow ridge. The kicker is a ~500 foot shear drop to the left and a ~40 ft drop on the safer right. c3 seems correct. Never figured there was an upper limit on c3, this fits the bill! You would pretty much have to jump off, there are countless holds. I'm sure many have walked up it. Nevertheless the pucker factor seemed similar to Cheops Plateau. Great to feel alive again!

The next major destination was a spring in a tunnel some seven miles away. CHUMS' loop took us over some interesting terrain. We headed down over painted desert. Areas reminded me of the ♡ PHX Preserves ♡, yet lacked the scorched terrain. The Sonoran Kiddie Rollercoaster was fun yet quick flat ravines were more relaxing. Enough shin whackers to warrant pants if you do not enjoy second day sting.

Tunnel Spring is in an alcove, high on a wall in a narrow ravine. This little jewel is a worthy destination you will probably remember for years to come. Climbers probably ascend upside-down blindfolded. People like me need the community rope to access. Heading down I heard a crunch in the rope that sent rotted shock wave alerts to my nerves. Think I was still shaking five minutes after getting down. CHUMS got down five times faster swinging like Tarzan so I burned jitter-calories for nothing.

Great hike, couldn't have asked for better weather. Don't let the short mileage fool you, it's all off trail. The jagged silhouette KOFA's deserve more love.

The rock on Old Smokey had a hollow pinging sound in areas. My best guess is basaltic or dacitic lava. We were out-of-view west of Big Horn Pass on this 51MB pdf geology map.
 Named place
 Named place [ checklist ]
[ checklist ]  Kofa Skull Rock
wildflower observationwildflower observationwildflower observationwildflower observationwildflower observation
Wildflowers Observation Light
Most notably globe mallow for the "light" rating. Isolated poppies, stubby lupine, etc you see in a weak display season.

water 1 out of 5water 2 out of 5water 3 out of 5water 4 out of 5 De La Ossa Well 76-100% full 76-100% full
Nice maintained area. Canopy is nice for a break area. Nice thing about water sources in the area is no cattle... rare!

water 1 out of 5water 2 out of 5water 3 out of 5water 4 out of 5 High Tank 76-100% full 76-100% full
Full and fine. Nearby De La Osa looked more appetizing.

water 1 out of 5water 2 out of 5water less than maxwater less than max Tunnel Spring Quart per minute Quart per minute
Upper large catch full, trickling from overhead. Lower small catch appeared empty from vantage point. Access is a hoot!
_____________________
- joe
 
average hiking speed 1.86 mph

WARNING! Hiking and outdoor related sports can be dangerous. Be responsible and prepare for the trip. Study the area you are entering and plan accordingly. Dress for the current and unexpected weather changes. Take plenty of water. Never go alone. Make an itinerary with your plan(s), route(s), destination(s) and expected return time. Give your itinerary to trusted family and/or friends.

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