Apr
20
Marshall Canyon Intermittent Closures
Marshall Canyon Trail
presented by the County of Los AngelesMon, Apr 20 12:00 AM - Tue, Jun 30 12:00 AM
Date: Weekdays from April 2026 - June 2026
Location: Northern Segment of Marshall Canyon Trail
Closure Start Date: Week of 4/20/2026
Visitors are advised that a portion of Marshall Canyon Trail is temporarily closed as part of ongoing mitigation efforts targeting the Goldspotted Oak Borer (GSOB), an invasive pest that poses a significant threat to native oak trees. There will be intermittent closures along a segment of Marshall Canyon due to oak tree pest management and tree work activity. These temporary closures will occur on weekdays from April 2026 to June 2026.
For more details & closure map please visit: Marshall Canyon Oak Tree Pest Management