The Alpine Dam loop (featuring the 7 Itch-Bays). This is the clockwise direction. Start/end at Crissy Field, SF.
Route A: 53 miles with 3,900 feet of climbing. (add Mt. Tam summit: add 6 miles and 800 ft) Lunch stop in Fairfax after the climbing!
Route B: 22 miles with 1,000 feet of climbing, vanilla ride to end of bike path at Richardson Bay.
Route C: 42 miles with 2,000 feet of climbing- Tiburon/Paradise Drive Loop. Lunch at Shark Deli in Tiburon.
Alpine Dam Route Map
Other Marin loops including Paradise Drive
Directions to the starting point (Crissy Field, SF):
From Oakland/East Bay-
a. 80 West over the SF / Oakland Bay Bridge.
b. In SF, take the 9th Street/Civic Center exit.
c. Going down the off ramp, tend to the RIGHT, go STRAIGHT onto Harrison.
d. Go one block and turn RIGHT onto 9th Street. Work your way to the left lane.
e. After crossing Market Street, turn LEFT onto Hayes Street.
f. One block after Van Ness Avenue, turn RIGHT onto Franklin Street.
g. Straight on Franklin Street until it ends… turn LEFT onto Bay Street.
h. Go three blocks, turn RIGHT onto Laguna Street.
i. Follow Laguna and it becomes Marina Blvd. as you tend LEFT at the famous Marina Safeway.
j. Continue on Marina Blvd., getting into the right lane. After the Yacht Harbor, DO NOT enter the freeway on-ramp to the GG Bridge, but…
k. Tend to the right and enter the Crissy Field/GGNRA.
l. After entering Crissy Field, take the first RIGHT and it will take you to the paved parking for the beach.
m. Unload your bike and continue with this adventure. Bathrooms and water at windsock.
From below SF-
1. 101 North.
2. Take the 7th Street exit and turn LEFT onto 7th
3. After going under the Freeway, turn LEFT onto Harrison Street.
4. Go two blocks and turn RIGHT onto 9th Street. Work your way to the left lane.
5. Follow the directions above beginning at “e”.