Mt. Diablo State Park

Mt. Diablo State Park offers one of the most beautiful views of Concord. Explore the park’s many hiking trails that will lead you to creeks, waterfalls and valleys while enjoying the mountain air. When you are ready for a break, relax and have a snack at one of over 50 picnic spots. Gates open at 8:00 am and close at sunset, and with trails that range from easy to hard, it's easy to find a trail for every level of hiking.

Mount Diablo Regional Trail Map

Get the Digital Map, compatible with GPS map=navigating applications like Avenza.

Download map bundle (Map Side A and B) on Avenza

Download Map Side A on Avenza – Mount Diablo & Surrounding Parks

Download Map Side B on Avenza – Los Vaqueros & Surrounding Parks

Download the free Avenza app and learn how it works

Want to use a different application? Download geospatial PDFs of the map to your device.

Map Side A – Mount Diablo & Surrounding Parks

Map Side B – Los Vaqueros & Surrounding Parks

For more information on the map click here.

The Mount Diablo Interpretive Association

The Mount Diablo Interpretive Association (MDIA) is a non-profit, all-volunteer organization that assists the California Department of Parks and Recreation in maintaining and interpreting Mount Diablo State Park for its 700,000 visitors each year. Through education, sponsored activities, and publications, MDIA fosters appreciation and the enlightened use of Mount Diablo State Park. MDIA is proud to provide the resources necessary to keep the Summit Museum and Mitchell Canyon Visitor Center open throughout the year. In addition, one of MDIA’s key roles is coordinating the Volunteers in the Parks Program, which trains and manages park docents, sponsors guided hikes, and helps maintain trails.

For more information on The Mount Diablo Interpretive Association click here.