Tree down across trail

Alerts and Closures

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. 

Latest Update: Enjoy parks safely - stay hydrated and plan for heat safety. See tips on our Heat Safety page.

Alert LevelLocationDescription
Water Warnings Posted

Notification of Water Pumping

The East Bay Regional Park District has entered into an agreement to purchase surplus water from the Zone 7 Water District via Arroyo Valle to refill Shadow Cliffs Regional Recreational Area to return recreational opportunities to the lake, including swimming, fishing, and boating. Surplus water will be pumped from the Arroyo Valle into Shadow Cliffs beginning May 3, 2023, and continue through May 31, 2023.

Trail Closure Posted

Resource Protection

Prairie Falcon Trail is closed until further notice for resource protection.

Other Posted

Delays possible on Golf Course Dr

PG&E will be performing pole maintenance work off Golf Course Drive on Tuesday, May 30 near the Tilden Golf Course parking lot at Tilden Park. There will be traffic controls, one lane will remain open, and drivers should expect delays. 

Area Closure Posted

Road Closure
Wildcat Canyon Road is currently closed from Camino Pablo to Inspiration Point. Please use Grizzly Peak Blvd to access the park as it is inaccessible via Wildcat Canyon. Updated May 28, 2023.

Trail Closure Posted

Section closed to protect natural resources

An approximate 2/3 mile segment of trail between Charbray Street and the Tassajara Ridge has been closed to protect natural resources.  It will likely not re-open until sometime in September/October.

Trail Closure Posted

Partial Closure of Las Trampas to Mt. Diablo Regional Trail in Danville
The Las Trampas to Mount Diablo Trail from La Gonda Way to El Alamo Court is closed due to a large tree down. Updated May 28, 2023.

Trail Closure Posted

Iron Horse Trail Partial Closure for Repairs

The Iron Horse Trail will be closed for repairs between Monument Blvd and Willow Pass Rd from June 12 to July 12, 2023.

Area Closure Posted

Temporary closures due to capacity limitations

Due to high spring visitation, Sunol parking areas may reach full capacity and close temporarily. Parking areas typically reopen when capacity is available.

Other Posted

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. Updated May 28, 2023.

Area Closure Posted

Swim Lagoon Closed

Contra Loma Swim Lagoon will be CLOSED Summer 2023 for facility repairs.

Area Closure Posted

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.

Trail Closure Posted

Trail Closure
West Side Loop Trail is closed due to storm damage. Updated May 28, 2023.

No Water Posted

Water Availability
Water Availability Updates: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, please use Stromer Springs
  • Stromer Springs - Water available
Updated May 28, 2023.

Area Closure Posted

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 28, 2023.

Trail Closure Posted

Trail Closures
The Bay Area Ridge Trail is closed due to creek flooding. Upper Seafoam Trail is closed due to downed trees. Laurel Loop Trail is closed due to hazardous trees.  Updated May 28, 2023.

Trail Closure Posted

Trail Closures

The following trails are closed due to storm damage:

  • Stone Corral Trail (from Coyote Trail to Morgan Territory Road)
  • Black Hills Trail
  • Highland Ridge Trail from Backpack Camp west to the junction of Raven Trail
  Updated May 28, 2023.

Area Closure Posted

Del Valle open with limited amenities
Del Valle Regional Park is open with limited amenities.

  • Bring your own drinking water. Water at the park may be intermittent.
  • Use caution on storm-damaged trails. Signs are posted.
  • The Marina, boat rentals, and campground store remain closed until further notice. CA State Fishing licenses are not available to purchase at this time.
  • Construction equipment/noise may be present during normal working hours.
  • The Visitor Center is currently closed.
Updated May 28, 2023.

Caution Advisory Posted

Del Valle WEST Swim Beach Water Quality Conditions

Trail Closure Posted

Hardy Canyon Trail Closed
Hardy Canyon Trail is closed until further notice due to storm damage.  Updated May 28, 2023.

Other Posted

BART Maintenance Work

BART will be performing maintenance along the Alameda Creek Paved Trail at the BART underpass from February 20, 2023, through June 20, 2023. Please expect intermittent closures and reduced trail width while work is being completed.

Area Closure Posted

Fishing Lake Closed
The fishing lake is closed until further notice due to an increase in silt in the lake from recent storms.   Updated May 28, 2023.

Trail Closure Posted

Trail and Area Closures
Due to recent storm damage, the Park is not accessible via Redwood Rd from I-580 westbound in Castro Valley. Access via Redwood Rd from Skyline Blvd. The following trails and staging areas remain closed:
Staging Areas Closed: MacDonald Staging Area
Trails Closed:

  • Brandon Trail Stone Bridge to Horseshoe Trail - trail impassable due to a failed culvert
  • Brandon Trail Horseshoe Trail to Bort - Open to hiking only 
  • Cascade Trail
  • Columbine Trail
  • Escondido Trail
  • Logger’s Loop Trail
  • Lost Ridge Trail
  • Mirador Trail 
  • Ranch Trail
  • Redtail Spur Trail
  • Willowview Trail
View Map Updated May 28, 2023.

Area Closure Posted

Anthony Chabot Campgrounds Closed

All Anthony Chabot campgrounds will be closed through May 25, due to storm damage. Please contact Reservations if you have questions about cancellations. 
Call 1-888-327-2757, option 2. *For Canadian residents, please use 510-544-2707.

Area Closure Posted

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, 2023, until August 1, 2023. View MapThis area is closed to visitors annually for the protection of the American peregrine falcon. Peregrine falcons are territorial and highly sensitive during nesting season.

Area Closure Posted

Del Valle Campground Closed Through October 1

Del Valle Campground remains closed due to severe winter storm damage. Extensive repairs are needed. Campsites are being assessed and will be reopened based on safety conditions. A small, upper portion of the campground, convenience cabins, equestrian campsites, and some group campsites will reopen on May 22.
Please contact Reservations if you have questions about cancellations. 
Call 1-888-327-2757, option 2. *For Canadian residents, please call 510-544-2707.

Trail Closure Posted

Skyline Trail Partial Closure
Skyline Trail is closed between Fish Ranch Rd and Old Tunnel Road staging area due to a mudslide. View MapUpdated May 28, 2023.

Area Closure Posted

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. Updated May 28, 2023.

Trail Closure Posted

Whispering Creek Trail Partially Closed
Whispering Creek Trail is closed on the east side of the Park and also the section on the west side of the Park due to storm damage. Shoreline Trail is also closed due to thick mud and fallen trees. View MapUpdated May 28, 2023.

Trail Closure Posted

Wildcat Creek Trail Flooded
Approx 150ft of the Wildcat Creek Trail is closed due to flooding near the Wildcat Marsh Staging Area at the Richmond Parkway underpass.  Updated May 28, 2023.

Other Posted

Shady Slope Trail Opened
Shady Slope Trail has reopened, but some areas remain damaged from recent storms. Please use caution and follow all signage. Updated May 28, 2023.

Trail Closure Posted

Storm Damaged Trail Closures
The following trails are currently closed due to storm damage: Meyers Ranch Trail, Garin Woods Trail, High Ridge Loop Trail, South Fork Trail, and Ziele Creek Trail. Other trails have also sustained some storm damage. Use caution while accessing all open trails in Garin and Dry Creek Pioneer. View MapUpdated May 28, 2023.

Other Posted

Storm-damaged Trails
The Chabot-to-Garin Trail is open but storm-damaged. Take extra care and follow all signage on the trails.  Updated May 28, 2023.

Trail Closure Posted

Bay Trail Closed
The Bay Trail is closed at Bayfront and Pinole Shores due to storm damage.  Updated May 28, 2023.

Caution Advisory Posted

Del Valle EAST Swim Beach Water Quality Conditions

Trail Closure Posted

Lake View Trail Partially Closed
The Lake View Trail is closed at the cattle pond due to storm damage. View MapUpdated May 28, 2023.

Trail Closure Posted

Las Trampas Storm Damage Update
Sycamore Trail is closed due to a landslide near the halfway point.
Chamise Trail is open but damaged due to storms. Please use caution and follow all signage. View Map Updated May 28, 2023.

Area Closure Posted

Lafayette Staging Area Closed
Lafayette Ridge Staging Area is closed due to significant landslides. All other park entrances are open. View Map Updated May 28, 2023.

Area Closure Posted

Temescal Fishing Dock Closure
The middle fishing dock along the Lower West Shore Trail is closed due to safety concerns. View Map Updated May 28, 2023.

Area Closure Posted

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 May 28, 2023.

Area Closure Posted

West Shore Trail and Redwood Canyon Golf Course Closed
The West Shore Trail and Redwood Canyon Golf Course are closed.
The closure of the West Shore Trail means that the Lake Chabot loop is currently unavailable. 
View MapUpdated May 28, 2023.

Trail Closure Posted

Trails Closures
The following trails within the park are currently closed:

  • West Ridge Trail between Golden Spike and Bridle Trail is closed 
  • Toyon Trail is closed
Visitors are asked to follow all signage and take extra care in the park. View Map Updated May 28, 2023.

Flooding Posted

Alameda Creek Trails Closed
All Alameda Creek Trail staging areas are OPEN. The Alamo Canal Trail 580 undercrossing is OPEN.The following underpasses along the Alameda Creek Trails are CLOSED and inaccessible to the public until further notice:

  • Isherwood paved (all other paved underpasses are OPEN)
  • Highway 880 unpaved
The Alamo Canal Trail Dublin Blvd underpass is CLOSED due to flood damage.Please do not attempt to traverse any closed underpasses. There can be significant flood debris, undercut/eroded trails, slippery conditions, deep mud, high water, etc. Additionally, water levels in the creek can fluctuate rapidly. Please keep back and do not attempt to go down to the water's edge.  Updated May 28, 2023.

Water Warnings Posted

Lake Temescal Water Quality Conditions

Caution Advisory Posted

Lake Anza at Tilden Park Water Quality Conditions

Trail Closure Posted

Trail Closures - Tilden

Memory Trail is closed and impassable between Canon Dr. and Selby Trail because of a bridge failure.

The upper 0.43 miles of Laurel Canyon Trail is closed until further notice due to storm damage. Detour MapView 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.  Updated May 28, 2023.

Area Closure Posted

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 2023 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.

Other Posted

Ferry Point Pier Removal Project - Miller Knox

The East Bay Regional Park District owns and operates Miller/Knox Regional Shoreline, including the historic Ferry Point Pier which extends into the San Francisco Bay. The wooden pier is over 100 years old and damaged and must be removed for safety.
Ferry Point Pier Project Description and FAQs (PDF) Ferry Point Pier Project Description and FAQs (Spanish) (PDF)

Other Posted

Construction Notice - Coyote Hills Restoration and Public Access Project
Construction will take place through Summer 2023. Trails may be re-routed periodically as needed. There will be a traffic lane shift along Patterson Ranch Road - please use caution.  More informationUpdated May 28, 2023.

Trail Closure Posted

Trail Closure Notice - Tuibun Trail

The Tuibun Trail, between Paseo Padre Parkway and the kiosk, has been re-routed due to construction work taking place through Fall 2023. View Map.

No Advisory Posted

Contra Loma Reservoir Water Quality Conditions

  • There are no advisories for blue-green algae in the reservoir at this time. See Blue-Green Algae Information for additional details.
  • Note: The Swim Lagoon is closed for the 2023 season due to ongoing maintenance. Blue-Green Algae issues do NOT affect the Contra Loma Swim Lagoon water quality.

Caution Advisory Posted

Lake Chabot Water Quality Conditions

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

Area Closure Posted

Area Closure Notice - Martin Luther King Jr. Regional Shoreline

  • Shoreline Center
  • Kayak Ramp at the North Doolittle Staging Area
  • Right Dock (south side). Pilings are in need of replacement

No Advisory Posted

Keller Beach at Miller/Knox Regional Shoreline Water Quality Conditions

Area Closure Posted

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.

Caution Advisory Posted

Lago Los Osos at Quarry Lakes Park Water Quality Conditions

  • A Caution 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.

Area Closure Posted

Area Closure Notice - Soil Testing
Recent 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 28, 2023.

Area Closure Posted

Area Closure Notice - Shadow Cliffs

Updated May 28, 2023.

Trail Closure Posted

Trail Closure Notice - Lake Trail
Lake Trail is closed due to terrain damage. Updated May 28, 2023.

No Advisory Posted

Shadow Cliffs Lake Water Quality Conditions

Trail Closure Posted

Trail Closure Notice - Trail & Staging Area
The Wilcox Station Staging Area and McCosker Loop Trail will be closed for construction, from June 2020 to Spring 2023, for creek restoration and public access enhancements. The project restores over 3,000 feet of creek habitat, including daylighting 2,800 feet, previously culverted underground.  Updated May 28, 2023.

Caution Advisory Posted

Shinn Pond at Alameda County Trails Water Quality Conditions

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

Danger Advisory Posted

Horseshoe Lake / Niles Swim Beach Water Quality Conditions

Trail Closure Posted

Trail 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. Updated May 28, 2023.

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

Trail Closure Posted

Trail Closure Notice - Carquinez Overlook Trail
The northern spur of the Carquinez Overlook Trail that runs through the Eucalyptus grove is closed due to hazardous trees and unsafe trail conditions.
The Access road
from the end of Prospect Ave is closed due to hazardous trees and unsafe trail conditions.
Map of trail closures.  Updated May 28, 2023.

No Advisory Posted

Crown Beach Regional Shoreline Water Quality Conditions

Trail Closure Posted

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. Updated May 28, 2023.

No Advisory Posted

Big Break Regional Shoreline Water Quality Conditions

Area Closure Posted

Area Closure Notice - Roberts Pool
Roberts Pool is closed for facility upgrades, renovation, and replacement. It is expected to reopen in Summer 2023. More info.  Updated May 28, 2023.

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.

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