Sweetwater Preserve
10 miles. Begin on Saguaro Vista Trail, connect to Sun Circle Loop, take Black Rock Loop (counterclockwise), return to Sun Circle Loop, ride Lost Arrow Trail, take The Spine to Ocotillo Hill, connect to Homestead Trail, ride Red Canyon Trail, return to The Spine and Ocotillo Hill, take Redtail Ridge Trail, ride Nighthawk Trail, finish with Desperado Loop (counterclockwise), and return to the trailhead via Wildflower Ridge Trail.