Contact Los Vaqueros

Watershed Facilities

Marina (currently open)
9990 Los Vaqueros Road
Byron, CA 94514
925-371-2628

John Muir Interpretive Center (currently closed)
19 Walnut Boulevard
Brentwood, CA 94513
925-240-2440

Watershed Office (currently closed)
100 Walnut Boulevard
Brentwood, CA 94513
925-240-2360

Email us

Watershed Hours

Current Hours: 7 a.m. – 5 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 365 days a year.

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