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Trail conditions can vary depending on the time of year, the impact of rain and storms, construction and maintenance and other occurrences. Please be aware that trail closures may change from day to day without notice, based on changing weather conditions. During winter storm season high waters can make creek crossings hazardous, so plan your outing accordingly.  This page is updated as needed when trails are opened or closed, or when there is scheduled trail maintenance.

El Corte de Madera Creek

  • The Methuselah Trail, from the Giant Salamander Trail to the South Leaf Trail, is CLOSED to equestrians due to trail damage.
  • The Methuselah Trail where it crosses El Corte de Madera Creek has 2 new bridges and is OPEN for hikers and bicyclists -- remains CLOSED to equestrians.
  • The El Corte de Madera Creek Trail and Resolution Trail work is completed for 2015 and both trails are OPEN.
  • The Blue Blossom Trail has been converted to a single track trail and is now OPEN!
Date updated: Friday, April 29, 2016 - 2:45pm

Fremont Older

  • The Toyon Trail is currently CLOSED to bicycle and equestrian use.
  • Construction will begin in December on the Prospect Road Parking Lot. During this time the lot will be closed to all vehicle access and parking. Full Details>>
Date updated: Tuesday, November 22, 2016 - 1:00pm

Long Ridge

  • The Achistaca Trail is CLOSED to equestrians.
  • The Peters Creek Trail and Long Ridge Trail are CLOSED to bicyclists and equestrians.
Date updated: Saturday, November 26, 2016 - 10:30am

Monte Bello

  • The White Oak Trail, Stevens Creek Nature Trail, and Skid Road Trails are CLOSED to bicycle and equestrian use.
  • A two hundred yard section closest to the permit lot on Waterwheel Creek Trail will be CLOSED intermittently to all use starting Nov. 3rd and 4th during brushing work conducted by the neighboring property owners.  This period may extend pending rain delays.
Date updated: Tuesday, November 1, 2016 - 9:15am

Picchetti Ranch

Date updated: Wednesday, August 24, 2016 - 7:00am

Pulgas Ridge

  • The cutover trail from the Preserve parking lot to the Cordilleras Trail is now OPEN.
Date updated: Monday, June 1, 2015 - 1:00am

Purisima Creek Redwoods

  • The Whittemore Gulch Trail is CLOSED to bicyclists and equestrians.
Date updated: Wednesday, October 26, 2016 - 8:00pm

Rancho San Antonio

  • The Hammond-Snyder Trail is currently OPEN to equestrian use.
  • The Quarry Trail which goes from the top of the PG&E Trail to the Black Mountain Trail is CLOSED to equestrian use.
Date updated: Saturday, November 5, 2016 - 3:00pm

Russian Ridge

  • The segment of the Mindego Hill Trail to the top of Mindego Hill from gate RR12 is now OPEN to hiking and equestrian use only. Visitors are required to stay on the designated trail.
  • To protect a federally listed endangered species (the San Francisco garter snake), the Mindego Hill Trail is CLOSED to bicycle use beyond the intersection at the Charquin Trail.
Date updated: Sunday, April 3, 2016 - 1:00am

Sierra Azul

Closures in Sierra Azul Open Space Preserve:

  • Weekdays, beginning Monday, September 12th:
  • Mt. Umunhum Road will be closed from Jacques Ridge parking lot to the summit.  Only local vehicle traffic, contractors, and approved District staff will be permitted past Jacques Ridge parking lot.  Other vehicle traffic along with bicyclists, equestrians, and hikers will not be permitted on the road Monday through Friday for the duration of the project (estimated to finish in Summer 2017).  The Jacques Ridge parking lot will continue to be open during regular preserve hours.
  • Weekends (Saturday and Sunday):
    Mt. Umunhum Road will be open for all uses up to the Bald Mountain Parking Area only.  Only local vehicle traffic will be allowed past this point.  Bicycles, equestrians and hikers will not be allowed on the portion of the road above the Bald Mountain Parking Area at any time.
  • Barlow Road (trail) will be closed between Woods Trail (part of the Bay Area Ridge Trail) and Mt. Umunhum Road beginning on Tuesday, September 12 for the duration of construction on the Mount Umunhum Summit and Road.
  • Please note that the Mount Umunhum and Mount Thayer areas are CLOSED areas. Anyone found in these areas will be cited.
  • Areas that are adjacent to Mount Umunhum and Mount Thayer have been declared Temporary Closed Areas. Trespassers will be cited.  Please refer to the posted map for details. Other closed areas within Sierra Azul Preserve are shown on the Preserve map.
Date updated: Tuesday, October 18, 2016 - 8:30am

Stevens Creek Shoreline Nature Area

  • The adjacent section of the Bay Trail is OPEN.
Date updated: Monday, June 1, 2015 - 1:00am

Thornewood

  • The access from Old La Honda Road at Dennis Martin Creek is OPEN to hikers and equestrians.
Date updated: Monday, June 1, 2015 - 1:00am

Windy Hill

  • The Betsy Crowder Trail is CLOSED to equestrians.
  • Lost Trail, Hamms Gulch Trail, and Razorback Ridge Trail are CLOSED to equestrians.
Date updated: Saturday, November 26, 2016 - 10:30am