> Canonical: https://caparks.org/parks/bethany-reservoir-state-recreation-area
> Content revision: 2026-10-20T20:48:20.970Z

[Recreation areas](https://caparks.org/types/recreation-area)[Alameda](https://caparks.org/counties/alameda)

# Bethany Reservoir State Recreation Area

Alameda · California Department of Parks and Recreation

BEFORE YOUR VISIT

Visitor advisoryWater recreation

### Bethany Reservoir State Recreation Area: Reservoir water

Park-specific information

- [Reservoir water](https://caparks.org/parks/bethany-reservoir-state-recreation-area)

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.

[Read the official notice: California State Parks visitor directory ↗](https://www.parks.ca.gov/?page_id=562)Source checked Oct 20, 2026

PLAN YOUR VISIT

## The practical details.

**Managing agency**: California Department of Parks and Recreation

**Telephone**: [(925) 447-2867](tel:9254472867)

**Hours**: 7 am to Sunset.

[Official park information](https://www.parks.ca.gov/?page_id=562)

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.

## Weather & forecast

National Weather Service · [Official forecast ↗](https://forecast.weather.gov/MapClick.php?lat=37.782892&lon=-121.617193)

## About Bethany Reservoir State Recreation Area

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.

## Activities & facilities

[Boating ↗](https://caparks.org/activities/boating)[Picnicking ↗](https://caparks.org/activities/picnicking)[Fishing ↗](https://caparks.org/activities/fishing)[Surfing ↗](https://caparks.org/activities/surfing)[Biking ↗](https://caparks.org/activities/biking)[Hiking ↗](https://caparks.org/activities/hiking)ParkingRestroomsBoat RampsPicnic AreasInterpretive ExhibitsNature & Wildlife ViewingWindsurfing/SurfingBike TrailsHiking Trails

Recorded from park sources. Availability and restrictions may vary by season or visitor area.

## Find your way.

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 ↗](https://www.parks.ca.gov/?page_id=562)

## Read before you roam.

[THE FIELD GUIDE

### Understand a park’s algae notice

Use the named water body and official advisory to plan water activities; advisories do not apply uniformly to every park.

Read the guide](https://caparks.org/guides/algae-notices-and-water-access)

## Sources & verification

Park facts and notices are checked separately. Missing facility information does not mean a facility is absent. Official visitor page checked Oct 20, 2026.

- [California State Parks visitor directory](https://www.parks.ca.gov/?page_id=21805) · Oct 20, 2026

[Suggest a correction](https://caparks.org/about#corrections) · [Markdown version](https://caparks.org/parks/bethany-reservoir-state-recreation-area.md)

## Nearby parks.

Within 35 miles in a straight line. Travel distances and entrances vary.

[All parks](https://caparks.org/parks)

[Alameda

### Lake Del Valle State Recreation Area

Camping · Boating](https://caparks.org/parks/lake-del-valle-state-recreation-area)

[Contra Costa

### Mount Diablo State Park

Camping · Picnicking](https://caparks.org/parks/mount-diablo-state-park)

[Contra Costa

### Franks Tract State Recreation Area

Boating · Fishing](https://caparks.org/parks/franks-tract-state-recreation-area)