Contact Los Vaqueros

The Los Vaqueros Watershed is reopening Saturday, September 26. See information about Recreation for more details.

Watershed Facilities

Marina (currently closed)
9990 Los Vaqueros Road
Byron, CA 94514


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


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


Email us

Watershed Hours

The Watershed is currently closed due to recent wildfires. 

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