Bethany Reservoir State Recreation Area: Reservoir water
Park-specific information
The official page posts a caution that harmful algae may be present. Check the park’s current water-quality advice and posted signs before water contact.
Alameda · California Department of Parks and Recreation
Park-specific information
The official page posts a caution that harmful algae may be present. Check the park’s current water-quality advice and posted signs before water contact.
We have not yet verified entry fees, accessibility details. Confirm these with the managing agency before traveling.
Check notice timestamps and official updates. Conditions can change between source checks.
Bethany Reservoir State Recreation Area is listed in official public-land records for Alameda, California and is managed by California Department of Parks and Recreation. Our research into visitor facilities is ongoing. Check the managing agency’s information for public entrances, permitted activities, and current access.
Recorded from park sources. Availability and restrictions may vary by season or visitor area.
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Map points represent park land, not verified visitor entrances. Follow the managing agency’s entrance directions. Tiles © OpenStreetMap contributors.
This point represents park land, and may not be a public entrance. Follow official entrance directions.
Official visitor information & directions ↗Park facts and notices are checked separately. Missing facility information does not mean a facility is absent. Official visitor page checked Oct 20, 2026.
Within 35 miles in a straight line. Travel distances and entrances vary.