Mountain biking around Pittsburg 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 …

Last updated: September 18, 2025

5.0

(5)

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1. Stewartville & Ridge Trail loop — Black Diamond Mines Regional Preserve

13.4km

01:30

420m

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

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Intermediate

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2. Black Diamond & Mount Diablo Trail loop — Black Diamond Mines Regional Preserve

17.5km

01:53

580m

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

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Intermediate

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3. Nortonville & Black Diamond Trail loop — Black Diamond Mines Regional Preserve

13.0km

01:34

490m

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

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Intermediate

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4. Star Mine Trail loop — Black Diamond Mines Regional Preserve

11.0km

01:05

240m

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

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Easy

5. Lime Ridge Open Space loop via Ohlone Trail — Walnut Creek

8.56km

00:53

220m

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

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Easy

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Browse the best MTB trails in other regions.

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The best MTB trails around Pittsburg

1. Stewartville & Ridge Trail loop — Black Diamond Mines Regional Preserve

2. Black Diamond & Mount Diablo Trail loop — Black Diamond Mines Regional Preserve

3. Nortonville & Black Diamond Trail loop — Black Diamond Mines Regional Preserve

4. Star Mine Trail loop — Black Diamond Mines Regional Preserve

5. Lime Ridge Open Space loop via Ohlone Trail — Walnut Creek

Most popular routes around Pittsburg

Most popular attractions around Pittsburg

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