Full Commitment Bike Routes of San Diego 

 Starting at Cardiff (Highway 101 and Chesterfield) 

 Route 12 Cardiff to Lake Hodges. 39 miles.
 Route 608 Rancho Santa Fe & Encinitas. 32 miles, 3421 ft el, 92 ft/mi.
 Route 609 Rancho Santa Fe, out Del Mar, back Encinitas. 27 miles, 1466 ft el, 54 ft/mi.
 Route 610 Del Dios, Elfin Forest, Poinsettia. 46 miles, 4130 ft el, 90 ft/mi.
 Route 611 Double Peak, Rancho Bernardo, RSF. 50 miles, 4720 ft el, 94 ft/mi.