853 Flat 50 Bonsall, Champagne, Vista, Carlsbad. 48 mi, 1890 ft el, 39 ft/mi

0.0 Exit West side of train, Tyson St
0.1 R Pacific
1.0 R San Luis Rey River Trail (RR underpass)
1.1 L San Luis Rey River Trail
8.0 L San Luis Rey River Trail
8.1 R bathroom in park
8.2 R College exit (after College underpass)
8.2 R College
8.3 R N River/Vandegrift
8.6 R N River
11.9 R Holly
12.2 R Kari
12.5 R old bridge path
12.9 L Old River
15.3 R Camino Del Rey
20.0 R Old Hwy 395
25.2 R Deer Springs
27.6 = Twin Oaks Valley
28.0 R Cassou
29.2 L Buena Creek
32.2 R Santa Fe
32.2 L Robelini
32.5 = Sycamore
35.1 L Melrose
35.5 R Faraday
39.9 L Cannon
41.9 R Coast Hwy 101
44.9 L Eaton
45.0 R Broadway
45.4 L Cassidy
45.5 R Pacific
47.3 R Mission
47.5 R Cleveland
47.5 L Topeka
47.6 R Tremont
47.6 R return to start