North portion of San Andreas Segment is closed. Repairs begin soon on the 4.5-mile northern portion of the Sawyer Camp segment. Ralston Bike Trail is closed for PG&E to work on a gas transmission line until October 31
The area south and west of the park, which was burned by the CZU Lightning Complex Fire, remains closed. Other trails remain closed due to storm damage.
September 25–27, San Bruno Mountain Park will be closed to all cars while the main park gates are replaced. Visitors may still enter on foot through the Crocker Gate.
The next phase of pump track construction requires the park to close weekdays to ensure safe entrance and exit by semi-trailer trucks delivering large amounts of gravel, asphalt, and other construction material.
Lower Huddart Park area is closed for road maintenance and invasive plant management. Some trails and campgrounds remain closed as staff work to clear heavy storm damage.
On Monday through Friday, September 18–22, Sunset Trail in Edgewood Park will be closed between trail markers 13 and 22 for road repair.
For holiday weekends in 2023, Bicycle Sunday, the weekly event that allows for non-motorized use of Cañada Road along Crystal Springs Regional Trail, will be canceled to meet the increased holiday needs for staffing at other parks in the area. Bicyclists and motorists, please be mindful to share the road.
We are treating up to 100 acres of dense fire fuels in Quarry Park. Some trail closures will occur, Monday through Friday.
In September and October trails in the southern area of Wunderlich Park will be closed for annual vegetation management within the utility right-of-way.
Yellowjackets or wasps are stinging insects commonly found during the summer season especially in picnic areas and nearby. Yellowjackets can sting repeatedly causing pain
Flood Park will be closed select days in August and September to resume a pest management plan aimed at reducing the large ground squirrel population that continues to damage to buildings, walkways, and significant park trees.