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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 OPEN to bicycle and equestrian use.
Date updated: Friday, April 15, 2016 - 4:00pm

Long Ridge

  • The Achistaca Trail is OPEN to equestrians.
  • The Peters Creek Trail and Long Ridge Trail are OPEN to bicyclists and equestrians.
Date updated: Sunday, April 17, 2016 - 10:45am

Monte Bello

  • The White Oak Trail, Stevens Creek Nature Trail, and Skid Road Trails are OPEN to bicycle and equestrian use.
Date updated: Sunday, April 17, 2016 - 9:00am

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 OPEN to bicyclists and equestrians.
Date updated: Saturday, April 30, 2016 - 5:00pm

Rancho San Antonio

  • Starting August 24, 2016 - September 16, 2016 the Black Mountain Trail will be undergoing trail work.  The trail will be open during maintenance.
  • 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 OPEN to equestrian use.
Date updated: Friday, September 2, 2016 - 8:00am

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:

  • 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: Friday, September 2, 2016 - 3:30pm

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

  • On several days in October work will take place on a private driveway inside of gate WH06 at lower Windy Hill. The road work is not being conducted by the District, but may affect trail access on these days.
    October 3rd & 4th: The gravel road inside gate WH06 will be resurfaced (see orange highlight on map below).  Trail access may be disrupted intermittently from Alpine Road and where the Meadow Trail and Spring Ridge to Hamm’s Gulch Trail cross the driveway.
    October 7th: The driveway inside gate WH06 will be sprayed with a binding agent, EnviroKleen.  Access to the preserve at gate WH06 will be closed this day. Trail access will be interrupted where the Meadow Trail and the Spring Ridge to Hamm’s Gulch Trail cross the driveway and users should expect delays. The alternate route Willowbrook and Alpine Roads to the bottom of Hamm’s Gulch is strongly advised (see yellow highlight on map below).  Horses should avoid the area entirely.
    Orange line indicates where work will take place; Yellow line indicates alternate route for October 7th
  • The Betsy Crowder Trail is OPEN to equestrians.
  • Lost Trail, Hamms Gulch Trail, and Razorback Ridge Trail are OPEN to equestrians.
Date updated: Friday, September 23, 2016 - 12:30pm