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United States
California
Contra Costa County
Blackhawk

Black Hills Reservoir – Mount Diablo Scenic Boulevard loop from Camino Tassajara & Tassajara Village

Routes
Bike touring routes & trails
United States
California
Contra Costa County
Blackhawk

Black Hills Reservoir – Mount Diablo Scenic Boulevard loop from Camino Tassajara & Tassajara Village

Moderate

3.0

(18)

39

riders

Black Hills Reservoir – Mount Diablo Scenic Boulevard loop from Camino Tassajara & Tassajara Village

01:18

20.7km

220m

Cycling

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: September 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Mount Diablo State Park

Waypoints

A

Start point

Bus stop

Get Directions
1

3.61 km

Blackhawk Road / bike route summit

Highlight • Summit

At the summit of the road bikers have a choice to stay on the road bike lane or use the smooth pave concrete trail that climbs a tad higher to pass the high point of the route

Tip by

2

4.84 km

Blackhawk Road Bike Path

Highlight (Segment) • Cycleway

Paved trail separated from the road, on the northeast side.

Tip by

3

7.72 km

Black Hills Reservoir

Highlight • Lake

Ascending through a challenging uphill climb, this trail takes you through a lush scenic open space, passing by the Black Hills Reservoir. It serves as a great stopping point for enjoying the scenic water views along your ride.

Tip by

4

7.84 km

Mount Diablo Scenic Boulevard

Highlight (Segment) • Trail

Ascending through a challenging uphill climb, this trail takes you through a lush scenic open space, passing by the Black Hills Reservoir. It serves as a great stopping point for enjoying the scenic water views along your ride.

Tip by

B

20.7 km

End point

Bus stop

Loading

Way Types & Surfaces

Way Types

15.9 km

4.47 km

281 m

< 100 m

< 100 m

Surfaces

20.3 km

< 100 m

< 100 m

< 100 m

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Elevation

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

Highest point (240 m)

Lowest point (120 m)

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Weather

Powered by Foreca

Today

Saturday 17 October

34°C

12°C

0 %

Additional weather tips

Max wind speed: 10.0 km/h

to get more detailed weather forecasts along your route

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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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