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Contra Costa County

Hanna Grove Trail – Old Borges Ranch loop from Monte Vista High School

Contra Costa County

Hanna Grove Trail – Old Borges Ranch loop from Monte Vista High School

Hard

4.5

(1832)

12,474

riders

Hanna Grove Trail – Old Borges Ranch loop from Monte Vista High School

02:25

25.4km

570m

Gravel riding

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 18, 2026

Tips

Includes a segment in which cycling is not permitted

After 14.7 km for 246 m

Waypoints

A

Start point

Bus stop

1

5.99 km

Briones to Mount Diablo Regional Trail

Highlight (Segment) • Trail

Gravel at its best. This road is a paradise for gravel bikers and novices on a mountain bike.

Tip by

2

6.36 km

Winding Path in Diablo Foothills Regional Park

Highlight • Trail

Diablo Foothills Regional Park is a 1,060 acres area in California. You can enjoy its panoramic views as you joyfully cycle through the multiple trails that allow access to the …

Tip by

8.90 km

Shell Ridge Open Space

Nature Reserve

4

17.7 km

Hanna Grove Trail

Highlight (Segment) • Trail

The gravel trail loops around the generous picnic area with tables, BBQ grill, water, and meal preparation facilities.

Tip by

5

18.2 km

Old Borges Ranch

Highlight • Historical Site

Still operating, mostly as an open air farming museum.

Tip by

6

18.8 km

Twin Ponds

Highlight • Lake

Two small ponds, mostly dry by summer, at the junction with Borges Ranch Trail. They fill again with the winter rains and last through spring and early summer. They are dry in late summer and fall.

Tip by

7

19.2 km

Foothills Trail and Borges Ranch Trail junction

Highlight • Trail

At this intersection you either decide to continue on Borges Ranch Trail or on Foothills Trail – both are great gravel roads.

Tip by

8

19.8 km

Briones to Mount Diablo Regional Trail

Highlight (Segment) • Trail

Gravel at its best. This road is a paradise for gravel bikers and novices on a mountain bike.

Tip by

B

25.4 km

End point

Bus stop

Way Types & Surfaces

Way Types

19.8 km

4.18 km

590 m

415 m

203 m

178 m

Surfaces

20.1 km

5.16 km

< 100 m

< 100 m

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Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (260 m)

Lowest point (90 m)

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Weather

Powered by Foreca

Thursday 15 October

32°C

9°C

0 %

Additional weather tips

Max wind speed: 1.0 km/h

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