Mile 0.0 - Head south on Hwy 1 back towards Pt. Reyes Station. Mile 1.23 - Turn left on Pt. Reyes - Petaluma Road. Mile 4.38 - Turn left after crossing the bridge and remain on Pt. Reyes - Petaluma Road. (The road sign says that this is Platform Road.) Mile 11.81 - Turn left on Hicks Valley Road. Mile 14.59 - Turn left on Marshall - Petaluma Road. Mile 25.67 - At the T, turn left on Hwy 1 towards Marshall. This road parallels Tomales Bay for about 7 miles, rising and falling over the small hills. Mile 33.58 - End of ride.