CAUTION - Harmful algae may be present in the reservoir.
Basic Park Information
Located in the northernmost part of the San Joaquin Valley. Popular for fishing, boating, picnicking, birdwatching, and peaceful shoreline walks. It is also at the northern terminus of the California Aqueduct. Access for the California Aqueduct bikeway can be made from the main parking lot.
Address: 13638 Christensen Rd, Byron, CA 94514
Fees:
- $11 day use parking
- $7.00 boat launch
- $1.00 discount for vehicle day use for persons 62 years of age or older
Boating:
- Boat launch near main parking lot
- Speed limit is 5 mph
- Small boats, canoe, kayak, catamarans, sailboarders are allowed
Fishing
- Persons age 16 and over must carry a valid fishing license.
Bicycling
- The California Aqueduct Bikeway is a popular cycling trail.
Dogs
- Dogs must be on a 6 foot maximum leash and under human control at all times.
Guided Programs
Park Specific Rules
Superintendent Orders are laws that are specific to a State Park District and/or a California State Park. The links below will take you to a copy of each District Superintendent Order that applies to Bethany Reservoir State Recreation Area (SRA). These orders are posted for viewing at each public entrance of the park. These orders are subject to change and were recently renewed in 2026.Bethany Reservoir State Recreation Area is part of the Diablo Range District.
Bethany Reservoir SRA - Park Unit Hours of Operation
Bethany Reservoir SRA - Water Safety
Bethany Reservoir SRA - Dreissenid Mussel Inspection Program
Diablo Range District - Unmanned Aircraft Systems
Diablo Range District Units - Juvenile Curfew
