Great mountain biking.
From Interstate 10: Take exit 135 (W. Picacho Ave. /Highway 70 East) and travel east for approximately 2.5 miles. Turn north on Picacho Hills Dr. Continue on Barcelona Ridge Rd. after one mile. Travel one more mile and turn north on Anthem Rd. Follow this for one mile to its end. Turn north on Loop Rd. (unpaved). Follow this for 1.5 miles to the trailhead parking lot.
http://www.singletracks.com/item.php?c=1&i=7813