Mountain Bike

Preserves | Sharing the Trails | Access Guidelines | E-Bikes | Email List

Most of Midpen’s 220 miles of designated trails are unpaved “wildland” trails in steep, rugged terrain. Approximately 65% of these trails are multiuse trails and are open to bicyclists, which is the highest ratio of trails open to bikes among parks and open space in the Bay Area. Many of these trails are also single-track trails, providing bicyclists with a more technical experience.

Please Note: Activities may not be designated on all trails within a preserve-- always refer to the map and trail signage for where the activity is permitted. Some trails are subject to seasonal closures, always check trail conditions and refer to signage.

Public Meeting: E-Bike Unpaved Pilot Discussion, January 27, 5 p.m.

Click here to visit the E-Bikes section of this page for more information.

Preserves open to mountain biking

Sixteen open space preserves are open to mountain biking († - all trails; *- designated trails only):

Sharing the Trails

Midpen offers low-intensity recreational use consistent with resource protection and preservation. Many different users are out on the trails exploring open space.

To help make multiuse trails work, each user should keep in mind the needs of others. Bicyclists should always yield to all other trail users. On wide trails, slow down and pass with care. When encountering equestrians and hikers on narrow trails, make your presence known well in advance, particularly when approaching from behind. Stop and wait for them to pass or signal you through. Yield to other bicyclists traveling uphill.

Access Guidelines

  • Helmets: Bicyclists are required to wear helmets, even when riding uphill, that meet the standards of the United States Consumer Product Safety Commission Standard for bicycle helmets, or ANSI or Snell-approved bicycle helmets on all Midpen lands. Helmet straps must be securely fastened when riding.
  • Speed limits: Control your speed at all times and obey the 15 mph speed limit (5 mph when passing or on blind turns). Racing and reckless riding are strictly prohibited.
  • Closed areas/off-trail use: Ride on designated trails only (those shown on Midpen maps for bicycle use). Closed area or off-trail use, including straying off the trail for jumps, “wallrides” and “woop-d-dos” is strictly prohibited.

Download Bicycle Access Guidelines


Public Meeting: E-Bike Unpaved Pilot Discussion, January 27, 5 p.m.

In December we launched our pilot project at Ravenswood Preserve and Rancho San Antonio Open Space Preserve and County Park, allowing class 1 and class 2 e-bikes on select paved and improved trails where bicycles are currently allowed. A proposed pilot for class 1 e-bikes on select unpaved trails was postponed until next fiscal year (July 2021 – June 2022) due to the staff resources required for COVID-19 response. At a public meeting on January 27 at 5 p.m. (agenda item moved from January 20), the board of directors will discuss whether or not the unpaved pilot proposal will remain on this timeline or start sooner, which may require shifting resources from the paved pilot. Sign up below to stay informed.

  • Electric bicycles are not, and have never been, allowed on Midpen trails, except for use by individuals with a mobility disability who may use them on trails where bicycles are allowed per our Other Power-Driven Mobility Devices Policy. This is not a change in policy.
  • Given an increase in public inquiries regarding policies on the use of e-bikes, which indicates confusion regarding the prohibition of e-bikes, Midpen recently posted “no e-bike” signs where appropriate to provide clarity at Midpen trailheads.
  • As part of a one-year pilot project beginning in December 2020, class 1 and class 2 electric bicycles will be allowed on select paved and improved trails where bicycles are currently allowed at Ravenswood Preserve and Rancho San Antonio Preserve and County Park. You may provide comments on this pilot project using the form below.
  • All roads and parking areas that are open to public motor vehicles are open to all classes of electric bicycles.
  • A previous plan to develop a one-year pilot project for class 1 e-bikes on select unpaved trails has been postponed due to the staff resources required for COVID-19 response. A pilot proposal for unpaved trail e-bike access is currently scheduled to be brought to the board of directors in the next fiscal year (July 2021 to June 2022).
  • Learn more in our E-Bike Policies, Pilot Programs and General Information fact sheet and sign up for email updates below.

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