Cinder Hills Off-Highway Vehicle Area in the Coconino National Forest near Flagstaff, Ariz., consists of about 13,500 acres and offers riding opportunities on designated routes.
Cinder Hills was created by active volcanoes as recently as a thousand years ago. Lava flowed across the area and also left behind deep deposits of volcanic cinders and ash. The area is now graced with Ponderosa Pine and Aspen at higher elevations.
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