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Routes
Road cycling routes
United States
California
Contra Costa County
Blackhawk

Iron Horse Trail – Mount Diablo Summit loop from Camino Tassajara & Tassajara Village

Routes
Road cycling routes
United States
California
Contra Costa County
Blackhawk

Iron Horse Trail – Mount Diablo Summit loop from Camino Tassajara & Tassajara Village

Hard

2.7

(6)

28

riders

Iron Horse Trail – Mount Diablo Summit loop from Camino Tassajara & Tassajara Village

03:31

63.8km

1,220m

Road cycling

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: April 27, 2026

Tips

Includes a segment in which cycling is not permitted

After 39.7 km for 134 m

Waypoints

A

Start point

Bus stop

Get Directions

1

7.94 km

Iron Horse Trail

Highlight (Segment) • Trail

Wide well paved flat biking trail following a former rail line along the San Ramon Valley from Pleasanton via Dublin and Walnut Creek to Concord.

Tip by

2

8.42 km

Museum of the San Ramon Valley

Highlight • Historical Site

The Museum of the San Ramon Valley was established in 1985 and sits in a restored 1891 Southern Pacific Railroad Depot with the Victorian-era “Combination Station No. 22” listed on …

Tip by

3

8.69 km

Danville

Highlight • Settlement

Small and cute town with stores to refuel on a run along the Iron Horse trail.

Tip by

4

30.1 km

Curry Point

Highlight • Viewpoint

This point is about halfway up to Mount Diablo. The view from here is stunning, offering vistas of rolling hills and lush green surroundings. If timed right, springtime wildflowers add an extra bonus to the experience.

Tip by

5

33.1 km

Livermore Valley Overlook

Highlight • Viewpoint

Pause a moment to enjoy the magnificent views over the Livermore Valley. There are picnic benches down the stairs should you want to rest up for a little longer on your way to the summit.

Tip by

6

39.7 km

Mount Diablo Summit

Highlight • Summit

Located in Mount Diablo State Park, with an elevation of 3,849 feet Mount Diablo is the highest peak in San Francisco's East Bay area. On a clear day you can …

Tip by

7

56.3 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

8

58.4 km

Blackhawk Road Bike Path

Highlight (Segment) • Cycleway

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

Tip by

B

63.8 km

End point

Bus stop

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Way Types & Surfaces

Way Types

37.0 km

26.1 km

328 m

279 m

< 100 m

< 100 m

Surfaces

54.6 km

8.84 km

382 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 (1,140 m)

Lowest point (80 m)

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Weather

Powered by Foreca

Today

Wednesday 20 May

31°C

11°C

0 %

Additional weather tips

Max wind speed: 17.0 km/h

to get more detailed weather forecasts along your route

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

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