I just purchased a Polaris ATV to aid in my geocaching adventures. My first outing on it brought me down this road so I figured I would commemorate the occasion by placing a cache.
A high clearance or four wheel drive vehicle will get you back there. A four wheel drive ATV would be perfect. ;-)
This cache is located on Arizona State Trust Land and geocachers are required to purchase a recreational permit to access it. An individual permit may be obtained for $15 at https://land.az.gov/natural-resources/recreational-permits. Follow all ASLD guidelines while hunting this cache.