Bureau of Land Management, Arizona.
Dirt Bikes, Mountain bikes, and ebikes are welcome in this area. Note there are many motorized trails in this area making it very easy to become lost. Please get a good map for adventuring off in this area. Recommended seasons of use are Fall, Winter and Spring.
Right off of I3. Turn left exit 22. Go 2 miles and you will see the BLM signs for the area.