Second San Diego Aqueduct Bike Path in San Marcos (unofficial name) SERIAL DISTANCE COMMENT ------ -------- ------- 1 0.00 INLAND RAIL TRAIL 5 0.07 PALOMARCOS AVE ACCESS 10 0.14 SADDLEHORN DR ACCESS 16 0.25 MARTINGALE LN ACCESS 31 0.55 BORDEN RD 45 0.82 AVD LEON / QUAIL VALLEY PARK