Contact Los Vaqueros

Watershed Facilities

Please do not use GPS instructions when traveling to the South Entrance. Find directions here.

South Entrance and Marina (currently open)
9990 Los Vaqueros Road
Byron, CA 94514


John Muir Interpretive Center (currently open weekends)
19 Walnut Boulevard
Brentwood, CA 94513


Watershed Office (currently closed)
100 Walnut Boulevard
Brentwood, CA 94513


Email us

Watershed Hours

Current Hours: 7 a.m. – 6 p.m. 

Gates lock promptly at closing time. Citations will be issued for late departure. Call 925-688-8374 after hours.

Los Vaqueros is open every day, including holidays.

Watershed Hours
April – August
6 a.m. – 8 p.m.
September7 a.m. – 7 p.m.
October7 a.m. – 6 p.m.
November – February7 a.m. – 5 p.m.
March7 a.m. – 6 p.m.

Special Use Permits: Los Vaqueros Watershed and Conservation Lands

For special use permit assistance at Los Vaqueros, please call the Watershed Office at 925-240-2360. 

Submit special use permit requests by mail to:

Contra Costa Water District
Los Vaqueros Watershed
Attention Watershed Clerk
P.O. Box H20
Concord, CA 94524-2099