Running in Diablo Foothills Regional Park is one of the best ways to explore more of this region. To help you discover the most beautiful places to run, we’ve reviewed our full collection of routes in Diablo Foothills Regional Park—and are proud to present the best running trails. Click on any of the routes for more details and browse real tips and photos uploaded by other runners.

Last updated: September 25, 2025

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1. Castle Rock Recreation Area — Diablo Foothills Regional Park

3.84km

00:27

40m

Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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5.0

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2. Castle Rock Recreation Area – Mount Diablo loop from North Gate

29.7km

04:03

1,090m

Expert run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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3. Castle Rock Recreation Area loop from North Gate

23.6km

03:10

710m

Expert run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4. Castle Rock Recreation Area – Historic Borges Ranch loop from Alamo Oaks

20.8km

02:41

520m

Expert run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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5. Northgate Park 🌳 – Historic Borges Ranch loop from North Gate

18.0km

02:22

510m

Expert run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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The best running trails in Diablo Foothills Regional Park

1. Castle Rock Recreation Area — Diablo Foothills Regional Park

2. Castle Rock Recreation Area – Mount Diablo loop from North Gate

3. Castle Rock Recreation Area loop from North Gate

4. Castle Rock Recreation Area – Historic Borges Ranch loop from Alamo Oaks

5. Northgate Park 🌳 – Historic Borges Ranch loop from North Gate

Other adventures in Diablo Foothills Regional Park

Most popular routes in Diablo Foothills Regional Park

Most popular attractions in Diablo Foothills Regional Park

Get inspired with the komoot mobile app

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Get ready to conquer new peaks

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