Alerts and Closures

Area Closure Notice - Temescal

• The annual weed abatement is scheduled to begin on Friday May 20 through Friday May 27.
  • Access to the south parking lot will be partially closed to provide room for necessary equipment.
  • The upper trail and access will be closed during this time.
  • Updated on 5/23/2022

Area Closure Notice - Temescal Parking Lot

• The north entrance to Temescal Park parking lot at 6500 Broadway will be closed on June 2nd.
• Posted on 5/23/2022

Area Closure Notice - Tilden Nature Area

• The Tilden Park, Indian Camp Parking Lot will be closed on June 3rd
• Posted on 5/23/2022

Area Closure Notice - Contra Loma Swim Lagoon

• Contra Loma Swim Lagoon is closed for swim season 2022 due to construction.
• Posted on 5/21/2022

Water Quality Notice - Del Valle Reservoir
Cyanobacteria (blue-green algae) is present in the reservoir and a Danger/Closure Advisory is posted. NO SWIMMING is permitted at this time. Keep dogs away from water. See the Cyanobacteria (Blue-Green Algae) Information page for additional details.  Swim Beach Conditions [PDF] | Monitoring Program |

Trail Closure Notice - Pt. Pinole Bay Trail - Posted on 5/18/2022

• The Pt. Pinole Bay Trail between the Badger Bridge and the Fishing Pier, and between The Pinole Pt. Staging Area and the Bayfront Park will be closed Tuesday May 31 and Wednesday June 1.

Water Quality Notice - Lake Anza at Tilden
Cyanobacteria (blue-green algae) is present in lake, but no toxins have been detected recently. There are no advisories posted at the lake. As a precaution, keep dogs away from water. See the Cyanobacteria (Blue-Green Algae) Information page for additional details.No Swimming. The Swim Facility/Area is CLOSED for the 2022 swim season. What is covering Lake Anza? Click here to learn more about Azolla.Swim Beach Conditions [PDF] | Monitoring Program |

Water Quality Notice - Lake Chabot
Cyanobacteria (blue-green algae) is present at the lake and toxins have been detected recently. A Caution Advisory is posted around the lake. See the Cyanobacteria (Blue-Green Algae) Information page for additional details.Swimming is never permitted at Lake Chabot.

Water Quality Notice - Lake Temescal
Cyanobacteria (blue-green algae) is present in the lake, but all toxins detected recently have been below state advisory thresholds. There are no current cyanobacteria advisories. Keep dogs away from water. See the Cyanobacteria (Blue-Green Algae) Information page for additional details. The Swim Facility/Area is OPEN.Swim Beach Conditions [PDF] | Monitoring Program |  

Area Closure Notice - Remedial Action at Leona Canyon - Updated on 5/14/2022

• Trails at Leona Canyon will be closed on Monday, May 16 to Wednesday, May 18 for ongoing clean up associated with the remedial action work.
• Scheduled to begin May 2, 2022. The Leona Heights Rifle Range within Leona Canyon is under a surveying and clean-up action plan that will be performed by the U.S. Army National Guard and Army Corps of Engineers. The site was once used as a military rifle range prior to acquisition by the Park District. The Rifle Range is located along Keller Avenue and Campus Drive in the Sequoyah Heights neighborhood. Map | Fact Sheet
• Please direct all questions to: Reuben Sendejas, CA Army National Guard 916-369-4388; reuben.r.sendejas.civ@army.mil.

Trail Closure Notice - The Point Isabel San Francisco Bay Trail - Posted on 5/11/2022

• The Point Isabel San Francisco Bay Trail, from the Rydin Road Staging Area to Regatta Blvd will be closed for construction on June 6th and July 7th.

Area Closure Notice - Redwood Bowmen Archery Club Range - Posted on 5/11/2022

• The Redwood Bowmen Archery Club range will be closed Tuesday May 24. The range will reopen Wednesday May 25.
• The Park District's Fire Department employees will be at the range to evaluate and mark vegetation for an upcoming Fuels Reduction Project. 

Area Closure Notice - Tilden Environmental Education Center - Posted on 5/3/2022

• The Tilden Environmental Education Center will be closed weekdays between May 4 and May 25 for maintenance. It will remain open on Saturdays and Sundays for regular hours.

Area Closure Notice - Roberts Pool - Posted on 4/23/2022

• Roberts Pool at Roberts Regional Recreation Area will be closed through Spring 2023 for facility upgrades, renovation, and replacement.
• More info

Trail Closure Notice - Lake Trail - Updated on 4/26/2022

• Lake Trail is CLOSED due to terrain damage

Area Closure Notice - Shadow Cliffs - Updated on 4/26/2022
Swimming

• Swim beach CLOSED due to low water levels. Swimming NOT permitted. Refreshment stand closed for 2022 season.

• Fish plants on hold for 2022 season
• No watercraft of any kind will be permitted to launch until further notice.
• Please Help Keep Invasive Mussels Out of Our Water. 
• Read more about mandatory watercraft inspections and the Invasive Mussel. 

Water Quality Notice - Horseshoe Lake / Niles Swim Beach
Cyanobacteria (blue-green algae) is present in lake and toxins have been detected recently. A Danger Advisory for cyanobacteria is posted at Horseshoe Lake and Niles Beach. No body contact with water is allowed and Keep dogs away from water. See the Cyanobacteria (Blue-Green Algae) Information page for additional details.Swim Beach Conditions [PDF] | Monitoring Program |  

Trail Closure Notice - Stonewall-Panoramic Trail - Posted on 4/25/2022
Beginning Monday, May 2 through mid July:

• The Stonewall-Panoramic trail, between Panoramic Way and Stonewall Rd (see image), may be closed or experience long delays for a fuel management project between 7:00am to 5:00pm Monday - Friday.
• This project will address drought-stressed and overcrowded forest conditions in order to protect the adjoining urban area from severe wildfires.  

Water Quality Notice - Lago Los Osos at Quarry Lakes
Cyanobacteria (blue-green algae) is present and a Danger Advisory is posted at Lago Los Osos. Swimming is never allowed and water contact is not permitted at Lago Los Osos. Keep dogs away from the water. See the Cyanobacteria (Blue-Green Algae) Information page for additional details. Swimming is never allowed and water contact is not permitted at Lago Los Osos.

Water Quality Notice - Big Break Regional Shoreline
Cyanobacteria (blue-green algae) is present at the shoreline, but toxins detected recently have been below California advisory guidelines. There are no advisories posted at this time. See the Cyanobacteria (Blue-Green Algae) Information page for additional details.