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Iron Horse Trail – Mount Diablo Summit loop from Walnut Creek

Routes

Bike touring routes & trails

Iron Horse Trail – Mount Diablo Summit loop from Walnut Creek

Hard

4.5

(3298)

5,961

riders

Iron Horse Trail – Mount Diablo Summit loop from Walnut Creek

04:52

69.7km

1,190m

Cycling

Hard bike 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: June 23, 2026

Tips

Includes a segment in which cycling is not permitted

After 35.0 km for 134 m

Waypoints

Start point

Train Station

Get Directions

1.41 km

Iron Horse Trail Overcrossing

Highlight • Bridge

A pedestrian bridge to cross over Ygnacio Valley Road.

Tip by

2.09 km

Iron Horse Trail

Highlight (Segment) • Cycleway

The Iron Horse Trail is a 32-mile multi-path that connects the towns of Concord and Pleasanton. It follows the route of the abandoned Southern Pacific Railroad. With its access to …

Tip by

9.83 km

Hemme Station Park - Iron Horse Trail, Danville

Highlight • Rest Area

Newly created memorial park to the historic train station that sparked development of Danville along the erstwhile railroad.

Tip by

25.4 km

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

28.5 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

35.1 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

38.7 km

Juniper Campground

Highlight • Rest Area

This popular campground is open year-round and sits on the plateau's edge. Sites on the south side are the most favorable, with dramatic views of the San Ramon Valley. It …

Tip by

51.6 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

69.7 km

End point

Train Station

Way Types & Surfaces

Way Types

33.6 km

29.0 km

6.11 km

638 m

329 m

< 100 m

Surfaces

39.7 km

29.1 km

700 m

135 m

< 100 m

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 (40 m)

Weather

Today

Saturday 27 June

25°C

14°C

20 %

Additional weather tips

Max wind speed: 22.0 km/h

to get more detailed weather forecasts along your route

Comments

August 10, 2025,Mt. Diablo Loop

Diablo Loop – 101° Heat
Started at 168 lbs, finished nearly 10 lbs lighter from sweat alone. Parked at Artist Point (halfway up) and still felt the heat cooking me. Luckily, there was water on the route back to the car. The climb was a grind, but the descent? Pure fun.

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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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Iron Horse Trail – Mount Diablo Summit loop from Walnut Creek

Iron Horse Trail Overcrossing

Iron Horse Trail

Hemme Station Park - Iron Horse Trail, Danville

Curry Point

Livermore Valley Overlook

Mount Diablo Summit

Juniper Campground

Mount Diablo Scenic Boulevard

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