March 19, 2024
  • Intermittent Trail Closures for Invasive Plant Management

    From February 8 through April 1, weather permitting, workers will be at San Bruno Mountain treating oxalis. This work will involve up to eight days of targeted application of the herbicide imazamox or triclopyr directly to the invasive plants. During the treatment, intermittent trail closures may take place on the following trails:

    • Ridge Trail (east of the summit)
    • The trail leading up to Ridge Trail from Juncus Ravine
    • The trail leading up to Ridge Trail from Buckeye Canyon
    San Bruno Mountain Park Trail Closures

    Learn more about the San Mateo County Parks Position on Herbicide Use