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Castle Hill

Castle Hill

The best MTB trails around Castle Hill

4.5

(34)

435

riders

rides

Mountain biking around Castle Hill is a great to experience more of the landscape. But it’s often tough to know where to start. To help you find the best mtb routes around Castle Hill, here are the best rides!

Last updated: November 14, 2025

1. Briones to Mount Diablo Regional Trail loop — Mount Diablo State Park

5.84km

00:37

150m

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

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Easy

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2. Foothills, Franco Ridge, Sugarloaf-Shell Ridge & Borges Ranch loop — Shell Ridge Open Space

15.6km

01:21

300m

Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.

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Moderate

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3.5

(2)

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3. Old Borges Ranch – Hanna Grove Trail loop from Walnut Creek

24.7km

02:09

430m

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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Moderate

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4. Old Borges Ranch – Hanna Grove Trail loop from Shell Ridge

13.9km

01:22

320m

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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Moderate

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5. Heather Farm Park Lake – Curry Point loop from Rossmoor

50.6km

03:15

700m

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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Moderate

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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The best MTB trails around Castle Hill

1. Briones to Mount Diablo Regional Trail loop — Mount Diablo State Park

2. Foothills, Franco Ridge, Sugarloaf-Shell Ridge & Borges Ranch loop — Shell Ridge Open Space

3. Old Borges Ranch – Hanna Grove Trail loop from Walnut Creek

4. Old Borges Ranch – Hanna Grove Trail loop from Shell Ridge

5. Heather Farm Park Lake – Curry Point loop from Rossmoor

Most popular routes around Castle Hill

Most popular attractions around Castle Hill

Get inspired with the komoot mobile app

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Get ready to conquer new peaks

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