> Canonical: https://caparks.org/parks/lake-del-valle-state-recreation-area > Content revision: 2026-10-20T20:49:54.866Z [Recreation areas](https://caparks.org/types/recreation-area)[Alameda](https://caparks.org/counties/alameda) # Lake Del Valle State Recreation Area Alameda · California Department of Parks and Recreation BEFORE YOUR VISIT Visitor advisoryWater recreation ### Lake Del Valle State Recreation Area: Lake water Park-specific information - [Lake water](https://caparks.org/parks/lake-del-valle-state-recreation-area) The official visitor page posts a blue-green algae caution advisory. Check the managing agency’s current water-quality information before swimming or boating. [Read the official notice: California State Parks visitor directory ↗](https://www.parks.ca.gov/?page_id=537)Source checked Oct 20, 2026 PLAN YOUR VISIT ## The practical details. **Managing agency**: California Department of Parks and Recreation **Telephone**: [(510) 544-3146](tel:5105443146) **Hours**: Hours Park Curfew: 10pm-5am Park Gate Hours: January - February: 7am-6pm March: 6am-7pm April: 6am-8pm May-Labor Day: 6am-9pm After Labor Day - Sept. 30: 6am-8pm October: 6am-7pm November - December: 7am-6pm Del Valle Visitor Center: Open September - May: Friday, Saturday, Sunday, and most holidays, 10am-4pm Open Memorial Day - Labor Day, Friday, 2pm-4:30pm; Saturday and Sunday: 9am-4:30pm Closed all other days including Thanksgiving and Christmas Day. Swimming Hours: Lifeguards on Duty, 11am - 6pm Del Valle East and West Beach: Weekends and Holidays: May 16–Sept. 27 Monday through Friday: June 1–Aug. 14 [Official park information](https://www.parks.ca.gov/?page_id=537) 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=37.5842&lon=-121.689) ## About Lake Del Valle State Recreation Area Lake Del Valle 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 [Camping ↗](https://caparks.org/activities/camping)[Boating ↗](https://caparks.org/activities/boating)[Picnicking ↗](https://caparks.org/activities/picnicking)[Interpretive programs ↗](https://caparks.org/activities/interpretive-programs)[Fishing ↗](https://caparks.org/activities/fishing)[Beach visits ↗](https://caparks.org/activities/beach-visits)[Swimming ↗](https://caparks.org/activities/swimming)[Surfing ↗](https://caparks.org/activities/surfing)[Biking ↗](https://caparks.org/activities/biking)[Hiking ↗](https://caparks.org/activities/hiking)[Horseback riding ↗](https://caparks.org/activities/horseback-riding)Tent CampingGroup CampsitesRemote CampingRV/Trailer Campsites w/HookupsRV Dump StationRV AccessCamp StoreRestrooms / ShowersRestroomsDrinking Water AvailableBoat RampsBoat RentalsPicnic AreasEnv. Learning/Visitor CenterExhibits and ProgramsGuided ToursInterpretive ExhibitsBeach AreaWindsurfing/SurfingFamily ProgramsBike TrailsHiking TrailsHorseback Riding Recorded from park sources. Availability and restrictions may vary by season or visitor area. ## Mapped hiking trails. OpenStreetMap routes that intersect recorded park boundaries. Distances cover each route’s mapped California portion, which may extend beyond this park. Check official maps and current access rules. - [Ohlone Wilderness Trail ↗](https://caparks.org/trails/ohlone-wilderness-trail-osm-11260605)26.4 mapped mi [All mapped hiking routes ↗](https://caparks.org/trails) Trail data © [OpenStreetMap contributors](https://www.openstreetmap.org/copyright) · [ODbL](https://opendatacommons.org/licenses/odbl/1-0/) ## 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=537) ## 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/lake-del-valle-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 ### Bethany Reservoir State Recreation Area Boating · Picnicking](https://caparks.org/parks/bethany-reservoir-state-recreation-area) [Contra Costa ### Mount Diablo State Park Camping · Picnicking](https://caparks.org/parks/mount-diablo-state-park) [Santa Clara ### Martial Cottle Park State Recreation Area California Department of Parks and Recreation](https://caparks.org/parks/martial-cottle-park-state-recreation-area)