Alerts and Closures

Skyline Trail Partial Closure
The section of Skyline National Trail from Sibley Staging Area to Old Tunnel Road will be closed for repairs from September 4-6 and again from September 11-13, 2024. Updated September 12, 2024.

Red Tide Observed at Encinal Beach

Advisory Posting (PDF) | Español (PDF)
Frequently Asked Questions

Alert FIRE - Very High Fire Danger - Level 1 Restrictions in SE Region

• No campfires outside of designated day-use picnic areas, campgrounds, or developed recreational areas.
• Barbecues permitted only in designated day-use picnic areas, campgrounds, or developed recreational areas. Gas-fueled stoves/barbecues are permitted in all designated areas.
• No off-road driving. Drive only on designated roadways. No driving or parking on dry grass; heat from vehicle's undercarriage can start a fire.
• Secure all tow chains; a dragging chain throws sparks that can start fires.
• Parks in North East, North Central and South East Region || See more info: Fire Danger Levels & Restrictions

Trail Closure - Contra Costa Canal Trail

The section between Citrus Avenue and Oak Grove Road in Walnut Creek will be closed on September 16 from 8 am to 5 pm due to a tree care project near the trail.

Central Park Drive Closure

Due to Roadside Vegetation Management work, Central Park Drive will be closed from the Merry Go Round to Lone Oak Road on the following days:
September 11, 2024
September 18, 2024
September 25. 2024

Shoreline Center

**MLK SHORELINE CENTER TEMPORARY CLOSURE**
The Shoreline Center is temporarily closed for NEW RESERVATIONS AND TOURS.
We look forward to sharing a reopening date with you once that has been determined.
Please check back here for updates in the new year.

McCorkle Trail Is Partially Closed

McCorkle Trail is closed between Cerro Este Road and Backpack Road. Sunol Backpack Camp is accessible from Camp Ohlone Road.

Escondido Trail Closed

Escondido Trail is closed from Monday to Friday through October 1, 2024 due to Fuels Management project work.

Walnut Creek Channel construction in Concord

The section from Concord Ave North to Marsh Dr in Concord will be closed from August 26 to October 31, 2024, due to a Contra Costa County Flood Control construction project in the Walnut Creek Channel. Please visit the Contra Costa Public Works' project website for more information. 

No Open Fires or Barbecues

No open fires or barbecues of any type. Gas-fueled stoves are permitted at Alameda Grove and School Camp only.

Drinking Fountain Unavailable - Riverwalk Staging Area

The drinking fountain at Riverwalk just downstream of the BART tracks is not available. Drinking fountains are available upstream at Niles Staging Area and downstream at Beard Staging Area.

Picnic area at Eckley Pier is closed

The picnic area at Eckley Pier is closed due to a Kinder Morgan pipeline replacement project. The picnic area is anticipated to reopen in the fall. The fishing pier and paved parking area remain open.

Damaged Trail

The 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.

Lafayette Ridge Staging Area parking Lot Open

The Lafayette Ridge Staging Area parking lot is open to the public. The restroom, drinking fountain, and lighting improvements are not available as we are still working on the improvements. We expect the construction to be completed around August.

Fishing Pier Closure

Doolittle fishing pier is currently closed to the public for safety reasons.

Trail Closure - Wildcat Creek Trail

Due to culvert damage, the Wildcat Creek Trail is closed between Jewel Lake and the Wildcat Canyon southern boundary with Tilden Nature Area. 

Lake Anza at Tilden Park Water Quality Conditions

• There is no swimming due to a Danger Advisory posted for blue-green algae at Lake Anza. See Blue-Green Algae Information for additional details.
• Monitoring Program 

Construction/Closure Notice: Lafayette-Moraga Regional Trail

The Lafayette-Moraga Regional Trail south of Westchester Street to Canyon Drive will be under construction for trail repairs and improvements beginning August 5, 2024, through October 2024. More information: Contact Us

Trail Closures - Tilden

• Memory Trail is closed and impassable between Canon Dr. and Selby Trail until further notice because of a bridge failure. 
• The upper 0.43 miles of Laurel Canyon Trail is closed until further notice due to storm damage. Detour Map. View Map. 
• Grizzly Peak Trail is closed to equestrian traffic due to storm damage.
• Selby Trail is closed at the connector trail to the Merry-Go-Round until further notice.

Please consider alternative trails/trailheads, exercise caution and follow all signage in the area. Updated September 12, 2024.

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.

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.

Shadow Cliffs Arroyo Water Quality Conditions

• There are no current advisories for blue-green algae posted at Shadow Cliffs Arroyo. See the Blue-Green Algae Information page for additional details.

Trail Closure

Upper Meadowlark Trail is closed due to storm damage.

Shady Glen Trail Closure

The Shady Glen Trail is currently closed.

Trail Closures
Due 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.
Trails Closed:

• Brandon Trail Stone Bridge to Horseshoe Trail - trail impassable due to a failed culvert
• Redtail Spur Trail
• Willowview Trail
• Deer Canyon 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.

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.

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.)
The overcrossing project began on July 31, 2023, and is expected to take 18-24 months to complete. View Project information.

Del Valle Regional Park is open with limited amenities

• The Marina Store is open daily with modified hours for boat rentals on a first-come, first-served basis. Rentals for motorboats, patio boats and canoes can be completed between 6am and 3:45pm; boats must be returned by 6pm. The store is open between 6am - 8pm to purchase bait, tackle, fishing licenses, snacks and drinks.
• The Camp Store hours are Friday 12PM-8PM; Saturday 8AM-8PM; Sunday 8AM-3PM.
• Use caution on storm-damaged trails. Signs are posted.
• Construction equipment/noise may be present during normal working hours.
• The Visitor Center is open. See hours below.

The following amenities remain closed:

• The West Swim Beach is closed due to low water levels.
• The Swim Beach Food Concession remains closed until further notice.
• Entire Campground is opened with the exception of a few sites located in Lower Phase 2. These sites are under repair. Please contact Reservations if you have questions about cancellations. 
  Call 1-888-327-2757, option 2. *For Canadian residents, please use 510-544-2707.

Swim Lagoon Closed for 2024 Swim Season

Due to ongoing renovations, the Contra Loma swim lagoon is not opened for the 2024 swim season.

The Park District has partnered with the City of Pittsburg and the Ambrose Parks and Recreation District to provide alternative swim access and programs at Ambrose Aquatic Center in Pittsburg. The District’s support allows the Aquatic Center to be opened seven days a week during the 2024 swim season. Visit www.ambroserec.org/ambrose-aquatic-center for more information.

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.

Water Availability Update
All water is non-potable (filter, treat, or boil for human consumption).

• Eagle Springs - Water available
• Backpack Camp - Water available
• Doe Camp - Water available
• Maggie's Half Acre - Water available
• Boyd Camp - No Water available (use Stromer Springs)
• Stromer Springs - Water available
• Stewart's Camp - Water available

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.

Trail Closure
Stone Corral Trail (from Coyote Trail to Morgan Territory Road) is closed due to storm damage. Updated September 12, 2024.

Trail Closure
Hardy Canyon Trail is closed until further notice due to storm damage.  Updated September 12, 2024.

Skyline Trail Partial Closure
Skyline Trail is closed between Fish Ranch Rd and Old Tunnel Road staging area due to a mudslide. View Map.  Updated September 12, 2024.

Storm-damaged Trail

A 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.

Storm Damaged Trail Closures
Garin Woods Trail, Ziele Creek Trail, and South Fork Trail are currently closed due to storm damage.
High Ridge Loop Trail has sustained damage but is open to pedestrian use. Meyers Ranch Trail is currently open with temporary repairs. Other trails have also sustained some storm damage. Use caution while accessing all open trails in Garin and Dry Creek Pioneer.  Due to storm damage Dry creek garden is closed until next year.  View Map.  Updated September 12, 2024.

Lake View Trail Partially Closed
The Lake View Trail is closed at the cattle pond due to storm damage. View Map.  Updated September 12, 2024.

Del Valle EAST Swim Beach Water Quality Conditions

• There are no advisories for blue-green algae posted. See Blue-Green Algae Information for additional details.
• Swim Beach Conditions [PDF] 
• Monitoring Program 

Old Moraga Ranch Trail Partially Closed
The Old Moraga Ranch Trail is closed from Sanders Drive to Sanders Ranch Road, due to a landslide.  Updated September 12, 2024.

Lake Temescal Water Quality Conditions

• The lake is at a Caution Advisory for blue-green algae posted at this time. See Blue-Green Algae Information for additional details.
• Swim Beach Conditions [PDF]
• Monitoring Program 

Coyote Hills Parking Lot Project

The gravel parking lot located at Paseo Padre Parkway and Patterson Ranch Road is closed. View Map.
The existing lot will be replaced by a paved 100-car lot with shade, flush toilets, landscaping, EV charging, bus parking, picnic tables, and wildlife overlooks. The new parking lot is due to open in Summer 2024 and will be located further up Patterson Ranch Road and will have better pedestrian and vehicle circulation. 
To accommodate early park users, Coyote Hills staff will open the gates to the park at 7am.

Ferry Point Pier Removal Project
The Ferry Point Pier Removal Project will begin on Monday, July 29, 2024 with construction expected to last 4-6 weeks. 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.  More Info Updated September 12, 2024.

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 Summer 2024. More information.  Updated September 12, 2024.

Contra Loma Reservoir Water Quality Conditions

• There is a Danger Advisory for blue-green algae posted at the reservoir at this time. See Blue-Green Algae Information for additional details.
• Note: The Swim Lagoon is closed for the 2024 season. Blue-Green Algae issues do NOT affect the Contra Loma Swim Lagoon water quality.

Lake Chabot Water Quality Conditions

• A Danger Advisory for blue-green algae is posted. See Blue-Green Algae Information for additional details.
• Swimming is never permitted at Lake Chabot.

Area Closure Notice - Martin Luther King Jr. Regional Shoreline
Right Dock (south side) is closed. Pilings are in need of replacement Updated September 12, 2024.

Keller Beach at Miller/Knox Regional Shoreline Water Quality Conditions

• Swim Beach Conditions [PDF]
• Monitoring Program

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.

Lago Los Osos at Quarry Lakes Park Water Quality Conditions

• A Danger Advisory is posted at Lago Los Osos. See Blue-Green Algae Information for additional details.
• Swimming is never allowed and water contact is not permitted at Lago Los Osos.

Trail Closure Notice
Lake Trail is closed due to terrain damage.
The section of Lake View Trail below Stanley Blvd is now open. The lower connector trail from the bridge at North Beach that extends up to Lake View Trail will remain closed until storm damage is repaired. Updated September 12, 2024.

Shadow Cliffs Lake Water Quality Conditions

• There are no advisories posted for blue-green algae is posted at Shadow Cliffs. See the Blue-Green Algae Information page for additional details.
• Swim Beach Conditions [PDF]
• Monitoring Program 

Shinn Pond at Alameda County Trails Water Quality Conditions

• There is a Caution Advisory for blue-green algae posted. See Blue-Green Algae Information for additional details.
• Swimming is never allowed at Shinn Pond.

Horseshoe Lake / Niles Swim Beach Water Quality Conditions

• There is a Caution Advisory for blue-green algae posted at Horseshoe Lake. See Blue-Green Algae Information for additional details.
• Swim Beach Conditions [PDF] 
• Monitoring Program

Closure Notice: Lafayette-Moraga Regional Trail

Until 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.

Crown Beach Regional Shoreline Water Quality Conditions

• Swim Beach Conditions [PDF]
• Monitoring Program 

Trail Closure - Briones to Las Trampas Trail

The Briones to Las Trampas Trail from Golden Gate Way to Moraga Blvd. in downtown Lafayette is closed until further notice.

Big Break Regional Shoreline Water Quality Conditions

• There is currently a Danger Advisory posted for blue-green algae at Big Break. See Blue-Green Algae Information for additional details.