Marina (currently open)9990 Los Vaqueros RoadByron, CA 94514925-371-2628
John Muir Interpretive Center (currently closed)19 Walnut BoulevardBrentwood, CA 94513925-240-2440
Watershed Office (currently closed)100 Walnut BoulevardBrentwood, CA 94513925-240-2360
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.
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 DistrictLos Vaqueros WatershedAttention Watershed ClerkP.O. Box H20Concord, CA 94524-2099