How to reach:
To reach the tidal bench marks traveling north on Highway 101 from San Rafael, take the Hamilton part of the Alameda Del Prado exit, turn right on Main Gate Road, then right on South Palm Drive, then right on Hamilton Parkway. Go right at traffic circle and take Sunset Drive, then left at stop sign to Las Lomas Drive and then proceed to traffic circle and take Caliente Real Road. Go right at bottom of hill and proceed until road gets to edge of slough adjacent to San Francisco Bay. The bench marks are located in the vicinity along the road leading to approach lights and also along the road leading to rescue towers. The tide station is on the wooden pier at the offshore end of the slough.