Navigating to the South and North Entrances
The South Entrance is located off Vasco Road, just about 4.5 miles north of Livermore, and includes the marina and shore fishing.
- Los Vaqueros Marina, 9990 Los Vaqueros Road, Byron, CA 94514
The North Entrance is located on Walnut Boulevard, just south of Brentwood, and includes the Kellogg Creek Picnic Area, the John Muir Interpretive Center, Watershed Office and the dam.
- John Muir Interpretive Center, 19 Walnut Boulevard, Brentwood, CA 94513