Overview
Know before you go! View ParkFinder and alerts/notices below before heading out to parks. Some trails, park areas, swim facilities, may be temporarily closed -- due to weather conditions, water/algae conditions, park projects, habitat restoration, or repairs and maintenance.
Alert Level | Location | Description | |
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Trail Closure Posted | Cull Canyon | Section of the Garin/Dry Creek to Chabot Regional Trail will be closed Garin/Dry Creek Pioneer to Chabot Regional Trail between the Bellhurst Meadow Access and the EBMUD intersection, will be closed for construction between May 13 to May 24. | |
Other Posted | Black Diamond Mines | Watch Out For SnakesSpring through Summer is snake season, please Slow Your Roll and Brake For Snakes. More Info Updated May 13, 2024. | |
No Advisory Posted | Shadow Cliffs | Shadow Cliffs Arroyo Water Quality Conditions
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Trail Closure Posted | Crockett Hills | Trail Closure Notice Woodrat trail is closed due to a culvert failure between Edwards Creek and Edwards Loop Trails. Trail will need to remain closed until repairs are performed. | |
Area Closure Posted | Briones to Mt. Diablo Regional Trail, Contra Costa Canal Trail | Extra Trail Traffic Due to a permitted walking event, there will be extra trail traffic on the Contra Costa Canal Trail from Heather Farms Park to Bancroft Road and the Briones to Mt Diablo Trail from Heather Farms to Ygnacio Valley Road. The event will take place on 5/18/24 from 6:30 am to 1pm. | |
Area Closure Posted | Temescal | Temescal Swim Season Postponed The 2024 swim season is postponed due to cyanobacteria toxins at a Danger level. | |
Trail Closure Posted | Crockett Hills | Trail Closure Notice Sections of the following trails are temporarily closed to safeguard critical habitat in the area:
Closure is in effect until August 31, 2024. | |
Trail Closure Posted | Tilden, Tilden Nature Area | Trail Closure - Pine Tree Trail Due to storm damage, the Pine Tree Trail in Tilden Nature Area is closed until further notice. | |
Other Posted | Lafayette-Moraga Regional Trail | Expect Delay - Lafayette-Moraga Regional TrailEBMUD will be moving equipment on the Lafayette-Moraga Regional Trail on May 22 and 23 from Foye Drive to School Street in Lafayette. Please expect delays in this area. Updated May 13, 2024. | |
Area Closure Posted | Wildcat Canyon | Picnic Site Closure Camp Acacia Picnic Site is closed for renovation until 6/1/2024. | |
Flooding Posted | Don Castro | Flooded TrailWhispering Creek Trail between the foot bridge and the lake trail is flooded and will be closed until further notice. Updated May 13, 2024. | |
Other Posted | Martin Luther King Jr. | Fishing Pier Closure Doolittle fishing pier is currently closed to the public for safety reasons. | |
Trail Closure Posted | Tilden, Tilden Nature Area, Wildcat Canyon | Trail Closure - Wildcat Creek Trail Due to culvert damage, the Wildcat Creek Trail is closed between Jewel Lake and the Wildcat Canyon Regional Park gate. | |
Flooding Posted | Point Pinole | Seasonal flooding along the Wildcat Creek Trail in Richmond Approximately 120 feet of the Wildcat Creek Trail, along the Richmond Parkway undercrossing, is currently experiencing seasonal flooding. Flooding in this area is expected to remain during the wet winter months through into late spring/early summer 2024. | |
Other Posted | Crown Beach | Bathroom Construction Delay Construction of replacement bathroom facilities at Crown Beach along Shoreline Drive at Grand Street has been delayed. The Park District is working with the City of Alameda to restart construction as soon as possible. | |
Trail Closure Posted | Iron Horse Regional Trail | Trail Detour between Dougherty Rd and Dublin-Pleasanton BART Station Until further notice, a temporary detour of the Iron Horse Regional Trail between Dougherty Road and the Dublin-Pleasanton BART Station will be in place. View Map. The Scarlett Drive roadway project will widen and extend existing Scarlett Drive from Dougherty Road to Dublin Boulevard and provide a new segment to the Iron Horse Regional Trail. The project will require the temporary detour of the trail while roadway and utility improvements are made to Scarlett Drive. The City of Dublin will also be constructing a pedestrian and bicycle bridge connecting the Iron Horse Regional Trail on the north and south sides of Dublin Boulevard at the intersection of Scarlett Drive. The bridge will provide access to Don Biddle Community Park, which is located on the north side of Dublin Boulevard adjacent to the Iron Horse Regional Trail. The pedestrian bridge project will provide a safer and easier crossing for trail users and facilitate improved traffic flow along Dublin Boulevard by providing a grade-separated bridge crossing over Dublin Boulevard for pedestrians, bicyclists and BART commuters. The terminus of the southeasterly side of the bridge crossing will lead directly to the Dublin-Pleasanton BART Station. For more information on the Iron Horse Trail pedestrian overcrossing please visit the City of Dublin website located at https://dublin.ca.gov/2073/Iron-Horse-Trail-Dublin-Boulevard-Overcr. | |
Area Closure Posted | Contra Loma | Boat Launch will be closed for boats EBRPD staffs will install a new water pump in the Contra Loma Reservoir on June 5. The boat launch will be closed to boats, but will not affect kayaks, float tubes, rafts, and canoes. | |
Area Closure Posted | Briones | Lafayette Ridge Staging Area parking lot partial re-opening The Lafayette Ridge Staging Area parking lot is scheduled for a partial re-opening in mid-May of 2024, weather permitting. The remaining staging area and associated site improvements are scheduled to be fully open to the public at the end of Summer 2024. | |
Other Posted | Black Diamond Mines | Greathouse Visitor Center and Mine ToursGreathouse Visitor Center reopens and resumes regular schedule on Sunday May 5. | |
Area Closure Posted | Anthony Chabot | Seasonal Campground Closure – Extended due to Fuels Reduction Project Anthony Chabot Family Campground and Group Camp sites are closed seasonally from November 1 – March 31. This year the closure is extended through May 12 to allow for the completion of a large-scale fuels reduction project which will help remove accumulated flammable plant materials, including dead/dying trees, and improve visitor safety. | |
Trail Closure Posted | Coyote Hills | Trail Closure Upper Meadowlark Trail is closed due to storm damage. | |
Trail Closure Posted | Anthony Chabot | Trail Closures - Towhee and Huck's Trail Towhee Trail, from Honker Bay Trail to Huck's Trail, and Huck's Trail, are closed for tree maintenance until further notice. Please follow all signage and exercise caution in the area. | |
Trail Closure Posted | Sunol | Trail ClosureThe Shady Glen Trail is currently closed. Updated May 13, 2024. | |
Trail Closure Posted | Anthony Chabot | Trail ClosuresDue to previous winter storm damage, the Park is not accessible via Redwood Rd from I-580 westbound in Castro Valley. Access via Redwood Rd from Skyline Blvd.
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Other Posted | Anthony Chabot | Marciel Road Closed Through May 12 Marciel Road in Anthony Chabot Regional Park will be closed to vehicles past the Marciel Staging Area through May 12. The closure is necessary to ensure safe egress for large log-hauling vehicles as part of a fuels management project. The Marciel Staging Area will remain open. | |
Other Posted | Iron Horse Regional Trail | Expect Increased Traffic There will be a permitted running event on the Iron Horse Trail in Danville on May 19th from Fostoria Way to Prospect Way. Expect increased traffic on the Trail that day. | |
Trail Closure Posted | San Francisco Bay Trail, San Pablo Bay Trail | Trail Closure The San Francisco Bay Trail between Pinole Shores Staging Area and Bay Front Park will be closed at the end of May 2024 to repair 100-foot section of trail that was damaged by a landslide during the 2022-2023 winter storms. Construction is scheduled to take approximately two months. | |
Other Posted | Alameda Creek Regional Trail | Drinking Fountain Unavailable - Niles Staging Area The drinking fountain at Niles Staging Area at the upstream close to the start of the paved trail is currently unavailable due to construction. | |
Area Closure Posted | Thurgood Marshall | Thurgood Marshall Regional Park Thurgood Marshall Regional Park is closed with no public access, however, there are occasional public tour events. Check for upcoming tours or events at Calendar of Events - Thurgood Marshall. | |
Trail Closure Posted | Iron Horse Regional Trail | Iron Horse Trail Overcrossing Construction - San Ramon The north side of the Iron Horse trail adjacent to Bollinger Canyon Road is closed during the construction of an overcrossing, a pedestrian/bike detour is in place. View Map. (At a later date, closure of the south side of the Iron Horse trail adjacent to Bollinger Canyon Road will also be implemented; a pedestrian/bike detour will be in place.) | |
Other Posted | Pleasanton Ridge | Parking Notice Due to high visitation, Castleridge Trailhead parking may be limited. Consider visiting at less busy times or using the now-reopened Foothill Staging Area or new Tyler Ranch Staging Area. | |
Area Closure Posted | Del Valle | Del Valle Regional Park is open with limited amenities
The following amenities remain closed:
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Other Posted | Briones | Damaged TrailThe intersection of Briones Crest Trail/ Mott Peak Trail and Briones Crest Trail/ Lagoon Trail is currently damaged but passable with care. Barricades and cones have been posted on both ends of the fire trail to warn park users. Please follow all signage and use caution. Updated May 13, 2024. | |
Trail Closure Posted | Morgan Territory, Round Valley | Trail ClosureThe Miwok Trail through Los Vaqueros Watershed is closed for resource protection until further notice. For questions regarding the closure, please contact Contra Costa Water District. Updated May 13, 2024. | |
Area Closure Posted | Coyote Hills | Temporary parking closures due to capacity Due to increased visitation, primarily on Saturday and Sunday, vehicle access to Coyote Hills may close temporarily. Vehicle access to the park typically reopens when capacity is available, but expect very extended wait times to enter. Additional Parking is available at Dumbarton Quarry Campground. Please submit any questions or comments using our Contact Us Form. | |
No Water Posted | Ohlone Wilderness | Water Availability UpdateAll water is non-potable (filter, treat, or boil for human consumption).
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Trail Closure Posted | Tassajara Creek/Ridge Trail | Tassajara Creek/Ridge Trail Section Closed The Tassajara Ridge Trail from Charbray Street across the valley to the top of the opposite ridge is closed due to extensive trail damage. | |
Area Closure Posted | Lake Chabot | No horse-trailer parking at Proctor Staging Area until further notice.The exit at Proctor Staging area has collapsed and is closed until further notice. The entrance is now serving as a one-lane, entrance and exit. Unfortunately, the entrance is too narrow to allow horse trailers to exit the staging area. Updated May 13, 2024. | |
Trail Closure Posted | Morgan Territory | Trail ClosureStone Corral Trail (from Coyote Trail to Morgan Territory Road) is closed due to storm damage. Updated May 13, 2024. | |
Trail Closure Posted | Round Valley | Trail ClosureHardy Canyon Trail is closed until further notice due to storm damage. Updated May 13, 2024. | |
Area Closure Posted | Castle Rock, Diablo Foothills | Annual Closure The Castle Rock area of Mount Diablo State Park located adjacent to Stage Road Trail in Diablo Foothills will be closed from February 1, 2024, until August 1, 2024. View Map. This area is closed to visitors annually for the protection of the American peregrine falcon. Peregrine falcons are territorial and highly sensitive during nesting season. | |
Caution Advisory Posted | Del Valle | Del Valle WEST Swim Beach Water Quality Conditions
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Trail Closure Posted | Sibley | Skyline Trail Partial ClosureSkyline Trail is closed between Fish Ranch Rd and Old Tunnel Road staging area due to a mudslide. View Map. Updated May 13, 2024. | |
Area Closure Posted | Leona Canyon | Storm-damaged TrailA culvert on Leona Trail near Artemisia Trail has failed and is impassible. The trail is not closed as the park can still be accessed from both sides, but the trail no longer connects and the area should be avoided for further landslide issues. View Map. Updated May 13, 2024. | |
Trail Closure Posted | Dry Creek Pioneer, Garin | Storm Damaged Trail ClosuresGarin Woods Trail, Ziele Creek Trail, and South Fork Trail are currently closed due to storm damage. | |
Trail Closure Posted | Point Pinole | Bay Trail ClosedThe Bay Trail is closed at Bayfront and Pinole Shores due to storm damage. Updated May 13, 2024. | |
Trail Closure Posted | Contra Loma | Lake View Trail Partially ClosedThe Lake View Trail is closed at the cattle pond due to storm damage. View Map. Updated May 13, 2024. | |
Trail Closure Posted | Las Trampas | Trail ClosureSycamore Trail is closed due to a landslide near the halfway point. View Map. Updated May 13, 2024. | |
Other Posted | Briones | Lafayette Ridge Trail RepairsVisitors should use caution on the Lafayette Ridge Trail as repair work is continuing through some segments. Updated May 13, 2024. | |
Danger Advisory Posted | Del Valle | Del Valle EAST Swim Beach Water Quality Conditions
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Area Closure Posted | Old Moraga Ranch Regional Trail | Old Moraga Ranch Trail Partially ClosedThe Old Moraga Ranch Trail is closed from Sanders Drive to Sanders Ranch Road, due to a landslide. Updated May 13, 2024. | |
Trail Closure Posted | Reinhardt Redwood | Trail ClosureToyon Trail is currently closed. View Map. Updated May 13, 2024. | |
Danger Advisory Posted | Temescal | Lake Temescal Water Quality Conditions
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No Advisory Posted | Tilden | Lake Anza at Tilden Park Water Quality Conditions
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Trail Closure Posted | Tilden, Tilden Nature Area | Trail Closures - Tilden
Please consider alternative trails/trailheads, exercise caution and follow all signage in the area. Updated May 13, 2024. | |
Area Closure Posted | Coyote Hills | Coyote Hills Parking Lot Project The gravel parking lot located at Paseo Padre Parkway and Patterson Ranch Road is closed. View Map. | |
Other Posted | Miller/Knox | Ferry Point Pier Removal Project The Ferry Point Pier Removal Project is expected to begin in the summer of 2024 and last approximately 1-2 months. The pier is over 100 years old and has deteriorated beyond repair. Removal is necessary for public and maritime safety. The iconic metal Gantry structure and the concrete fishing pier will not be removed. The public fishing pier at Ferry Point will be closed during construction for public safety. | |
Other Posted | Coyote Hills | Construction Notice - Coyote Hills Restoration and Public Access Project Trails may be re-routed periodically as needed. There will be a traffic lane shift along Patterson Ranch Road - please use caution. The project is expected to open in Spring 2024. More information. Updated May 13, 2024. | |
Caution Advisory Posted | Contra Loma | Contra Loma Reservoir Water Quality Conditions
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Danger Advisory Posted | Lake Chabot | Lake Chabot Water Quality Conditions
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Area Closure Posted | Martin Luther King Jr. | Area Closure Notice - Martin Luther King Jr. Regional Shoreline
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Water Advisory Posted | Miller/Knox | Keller Beach at Miller/Knox Regional Shoreline Water Quality Conditions | |
Area Closure Posted | Oyster Bay | Area Closure Notice - On-Going Soil Delivery and Grading Work This project is part of the Park District’s ongoing efforts to build up the topography of the park to meet the standards of the District’s Oyster Bay Land Use Plan Amendment adopted in 2013. More information. | |
Danger Advisory Posted | Quarry Lakes | Lago Los Osos at Quarry Lakes Park Water Quality Conditions
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Area Closure Posted | Point Isabel | Area Closure Notice - Soil TestingRecent soil testing of the entire landfill detected lead in specific, localized areas around the perimeter of the north side of the park (the portion of the park located across the Hoffman Channel bridge). For your continued safety, the areas are fenced off from all public/pet access. The Park District, under oversight of the San Francisco Bay Regional Water Board, is developing a plan to restore these areas. Updated May 13, 2024. | |
Trail Closure Posted | Shadow Cliffs | Trail Closure NoticeLake Trail is closed due to terrain damage. | |
Caution Advisory Posted | Shadow Cliffs | Shadow Cliffs Lake Water Quality Conditions
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No Advisory Posted | Quarry Lakes | Shinn Pond at Alameda County Trails Water Quality Conditions
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Danger Advisory Posted | Quarry Lakes | Horseshoe Lake / Niles Swim Beach Water Quality Conditions
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Trail Closure Posted | Lafayette-Moraga Regional Trail | Trail Closure Notice - Lafayette-Moraga Regional TrailUntil further notice, the Valle Vista to Westchester section of the Lafayette Moraga Trail is closed. This closure only affects the last half-mile on the Moraga end. The remaining 7 miles from Lafayette into Moraga is open for normal trail activity. Updated May 13, 2024. | |
Other Posted | Reporting Swimmer's Itch To report cases of Swimmer's Itch please call Alameda County Environmental Health (510) 567-6700 or East Bay Park's Water Management 510-544-2328 | ||
Water Advisory Posted | Crown Beach | Crown Beach Regional Shoreline Water Quality Conditions | |
Area Closure Posted | Carquinez Strait | Caution - Franklin Ridge Loop TrailThe northern section of the Franklin Ridge Loop Trail is currently experiencing significant rutting and damage as a result of PG&E activity. Please exercise caution when navigating this uneven surface. We are actively working with PG&E to get the trail repaired as soon as conditions allow. Updated May 13, 2024. | |
Trail Closure Posted | Briones to Las Trampas Regional Trail, Contra Costa Canal Trail | Trail Closure - Briones to Las Trampas TrailThe Briones to Las Trampas Trail from Golden Gate Way to Moraga Blvd. in downtown Lafayette is closed until further notice. Updated May 13, 2024. | |
No Advisory Posted | Big Break | Big Break Regional Shoreline Water Quality Conditions
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Other Posted | Roberts | Newly Renovated Pool The newly renovated Roberts Pool will reopen for the swim season in 2024. |
Park Rule Violations
To report an Emergency or Crime/Suspicious Activity in Progress,
call 911 or (510) 881-1121 from a cell, 24 hours a day.
To report Non-Emergency Park Rule Violations such as reckless bike/skate/scooter riding, failure to properly leash or control pets, and improper trail usage such as eBikes or mountain bikes on restricted trails, please call our Non-Emergency Public Safety Dispatch at (510) 881-1833, 24 hours a day, or submit a Park Watch Report online at the link below.
To report non-emergency safety hazards, or damaged trails and facilities, talk to a park ranger or call Public Safety Dispatch at (510) 881-1833. Be sure to mention the nature and exact location of the problem including the trail or area name.