Annual Free Public Guided Hikes, Walks, and Tours

Save Mount Diablo’s Discover Diablo program offers an annual series of free public activities:

  • Hikes
  • Bilingual Spanish-English hikes
  • Family walks
  • Rock-climbing events
  • Trail runs
  • Mountain-biking events
  • Plein-air painting events
  • Property tours
  • And more!
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Join Save Mount Diablo in exploring the Bay Area’s beautiful wild lands and open spaces!

Discover Diablo is a free public outings program led by staff and volunteer naturalists that offers an annual schedule of various outdoor activities including guided interpretive family walks, hikes, and property tours. These events are open to any and all trailblazers looking to get out in nature. All hikes are free but in order to create the best experience and least impact on the environment, capacity is limited and advanced registration is required.

Property tours are led on Save Mount Diablo conserved sites. These are unique opportunities to explore privately-held lands that are otherwise closed to the public. Join us on these tours to learn more about the special ecological and cultural features of each conserved site.

The goal of Discover Diablo is to connect people to nature through outdoor recreation and to build awareness of both the land conservation movement and the importance of permanently protecting open spaces. Through this program, we aim to reach new audiences, grow our membership base, and spark a passion for Diablo’s wild, natural lands in the youngest of trailblazers.

Upcoming Hikes Calendar

View Calendar

Hike Rating System

Easiest
Take a nice stroll with us! Easy hikes are generally suitable for anyone who enjoys walking. The terrain is mostly level or with a slight incline. Usually less than three miles.
Moderate
Moderate hikes are generally suitable for novice hikers. The terrain involves a moderate incline and may have some steeper sections.
Moderately Strenuous
Moderately Strenuous hikes will tend to be challenging for an unconditioned person. The terrain will involve a steady and often steep incline.
Strenuous
Strenuous hikes will challenge most hikers. The hike will generally be longer and steeper, but may be deemed “strenuous” because of the elevation gain. Usually more than five miles.

 

Downloads

Flyer of the Annual Events Schedule (English)

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Download Full Size

Events Waiver

Download English
Download Spanish

Rock Climbing Safety Guidelines

Download English

Rock Climbing Waiver

Download English

Discover Diablo FAQ

We will cancel the hike if there is heavy wind or rain, extreme heat, fire, or any red flag warnings.
We recommend long pants, sunscreen, and a hat. Dress in layers. Running shoes are OK. For strenuous hikes, we suggest sturdy hiking boots.
Bring a bottle of water, snacks, and sunscreen. A hat is highly recommended. For hikes that are in a park with an entrance fee, bring exact change or a check (sometimes the park entrance does not have an attendant, or the attendant does not have change).
The hikes are free, thanks to the generous support of the Martinez Refining Company. Some hikes are in a park with an entrance fee, which you can pay with cash or check. If you pay cash, you may need exact change.
Yes. If you would like to change anything, please contact us at discoverdiablo@savemountdiablo.org.
No. On the hike day, we will have a roster with your registration information on it. Please make sure to check in with the hike leader.
Anyone under the age of 18 will need to be accompanied by a parent or guardian.
No. Some Discover Diablo hikes take place on land owned by other organizations (such as Mount Diablo State Park and East Bay Regional Park District lands), and many of the trails on these properties have a strict no-dog policy.
Each Discover Diablo event opens up for registration exactly two months before the day of the event at 10 AM. All events are first come, first serve.
Yes, electric bikes are allowed at this event.
Yes, you will need to bring your own mountain bike and helmet.

Sponsor

Discover Diablo is proudly sponsored by the Martinez Refining Company.

Martinez Refining Company logo

Join us to save the remaining natural lands of Mount Diablo!

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