Mt Diablo

This mountain state park is a total of 19,000 acres of oak woodland, grassland and chaparral with knobcone, digger and Coulter pine as well as wildflowers. It has a 3,849 foot summit. There is an extensive trail system for hiking, bicycles and horseback riding with wildlife and sandstone rock formations and small caves and fossils. They have an observation deck with telescopes.

Requirements

Dogs must be on a leash under your control at all times. Dogs are not allowed on trails. Alcoholic beverages are prohibited. 

Operating Hours

Gates open 8:00am and close at sunset.  The Summit Visitor Center that includes a museum and art gallery is open 7 days a week from 10 am to 4 pm.

Fees

There is some free off road parking with access to some of the trails.  Otherwise, there are main, Mitchell Canyon and Macedo Ranch entrance fees that are discounted for adults age 62+. Alternatively, you can purchase an annual day use parking pass.

Disabled Access

The Visitor Center and some picnic areas are wheelchair accessible.

Map

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Address

N Gate Rd & Summit Rd

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Contact Info

Phone for general information: 925-837-2525 and for weather conditions: 925-838-9225.

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