Crested Saguaro Ride from Granite Mountain Trailhead.   Ever noticed the Crested Saguaros in the preserve?  Come ride with us to see a large number scattered throughout the north.  This 3.5 hour ride will cover more than 10 miles and is rated Advanced Skill and Vigorous Cardio.  A bike with wide knobby tires is required.  Please, no road bikes, hybrids, folding bikes, or electric assist bikes. Please check the working order of your bike before you leave home. Helmets required.  Bring water and snacks.  There are restrooms at the trailhead.  Please arrive 15 minutes prior to start.