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.
High Clearance possible when dry
To Mills Ridge Trailhead From the junction of SR 87 & SR 188 (think rest stop) head 18.4mi south on SR 188. Turn right toward FR647 and follow 1.0mi. Continue on FR647 for 2.5mi to trailhead.
From PHX (I-10 & AZ-51) 93.6 mi - about 2 hours 0 mins From TUC (Jct 1-10 & Grant) 143 mi - about 3 hours 17 mins From FLG (Jct I-17 & I-40) 160 mi - about 3 hours 3 mins