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

Iron Horse Trail and Dougherty Valley Loop

Moderate

3.1

(2)

34

riders

Iron Horse Trail and Dougherty Valley Loop

03:54

66.0km

370m

Cycling

Embark on the Iron Horse Trail and Dougherty Valley Loop for a touring cycling experience that transitions from the smooth, wide paths of a former railway to the gentle undulations of the San Ramon Valley. This moderate 41.0-mile (66.0 km) route, with 1206 feet (368 metres) of elevation gain, takes about 3 hours and 54 minutes, offering a pleasant blend of urban and natural scenery. You'll enjoy shaded sections, open creekside views, and glimpses of Mount Diablo, making it a great option for a longer, comfortable ride.

Planning your ride is straightforward, as the Iron Horse Trail is well-maintained and connects various communities, including BART stations, making public transport an option. The route is popular, so expect company, especially near town centers. Spring and early summer are ideal for this loop, when the Dougherty Valley might surprise you with vibrant wildflowers and the weather is generally mild.

What sets this route apart is its combination of the pancake-flat Iron Horse Trail, a former railroad right-of-way, with the more varied terrain of the Dougherty Valley. Keep an eye out for the unique Golf Ball Protection Tunnel near the San Ramon Country Club. This trail is a fantastic choice if you're looking for a substantial touring cycling route that's mostly paved and accessible for a wide range of fitness levels.

Last updated: June 9, 2026

Waypoints

A

Start point

Parking

Get Directions

1

839 m

Iron Horse Trail junction

Highlight • Cycleway

Crossing of two of the best East Bay flat bike trails, one following a former rail line, the other an old canal that still transports municipal water.

Tip by

2

3.29 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 schools, business centers, and parks, the path is popular with commuters and recreationalists.

Tip by

3

3.95 km

Downtown shopping area designed in the 80s boasting a pedestrian zone (rare in the US) centered on a large modern fountain, embellished with a nearby antique (faux?) lion granite fountain

Tip by

4

14.6 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 the National Register of Historic Places. The Official Visitor Information Center offers maps, guides, and knowledgeable staff, along with free parking and restrooms located in the caboose.

Tip by

5

16.2 km

San Ramon Creek Trail

Highlight (Segment) • Trail

This short section of paved trail runs along the San Ramon Creek and makes for a nice way to avoid traffic on Sycamore Valley Road.

Tip by

B

66.0 km

End point

Parking

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Way Types & Surfaces

Way Types

60.5 km

3.20 km

2.33 km

< 100 m

Surfaces

34.4 km

31.4 km

317 m

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Elevation

Elevation

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

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Weather

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Today

Wednesday 15 July

37°C

20°C

0 %

Additional weather tips

Max wind speed: 20.0 km/h

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Frequently Asked Questions

What is the terrain like on the Iron Horse Trail and Dougherty Valley Loop?

The Iron Horse Trail section is mostly flat and paved, following a former railroad line, making it suitable for all skill levels. However, the full Dougherty Valley Loop introduces some moderate climbs and potentially unpaved sections, requiring good fitness for the longer ride.

How long does it typically take to complete this touring bicycle route?

This touring bicycle route, covering approximately 66 kilometers (41 miles), typically takes around 4 hours to complete. This duration can vary based on your pace and how often you stop to enjoy the scenery or amenities.

What are the best times of year to cycle the Iron Horse Trail and Dougherty Valley Loop?

The trail is enjoyable year-round, but spring and fall offer the most comfortable temperatures for cycling. During these seasons, you'll avoid the hotter summer days and the cooler, potentially wetter winter months, making for a more pleasant ride.

Are there any notable landmarks or points of interest along the way?

Yes, the route offers several interesting spots. You'll pass through the Iron Horse Trail junction and ride along the main Iron Horse Trail. In Walnut Creek, you can see the Broadway Plaza Fountain ⛲️, and learn about local history at the Museum of the San Ramon Valley. You'll also ride alongside parts of the San Ramon Creek Trail.

Is the Iron Horse Trail and Dougherty Valley Loop suitable for families or beginners?

The Iron Horse Trail sections are generally flat, paved, and traffic-separated, making them excellent for families and beginners. However, the full Dougherty Valley Loop includes moderate climbs and potentially unpaved segments, which might be more challenging for less experienced riders or young children. Consider sticking to the main Iron Horse Trail for an easier family outing.

Where can I park to access the Iron Horse Trail and Dougherty Valley Loop?

The Iron Horse Trail is highly accessible with numerous parking options along its length, as it connects nine cities. Major parks and trailheads typically offer parking. For public transport, the trail directly connects to BART stations in Dublin/Pleasanton and Pleasant Hill, providing convenient access.

Are dogs allowed on the trail?

Yes, dogs are generally allowed on the Iron Horse Trail. However, it's essential to keep them on a leash and be mindful of other users, as it's a multi-use pathway popular with cyclists, runners, and walkers. Some sections may also be open to equestrians.

Do I need any permits or pay entrance fees to use the trail?

No, you do not need any special permits or have to pay entrance fees to access and use the Iron Horse Trail and Dougherty Valley Loop. It's a public recreational and transportation corridor.

What amenities are available along the route?

The Iron Horse Trail is well-equipped with amenities. You'll find benches, water fountains, bike repair stations, and public restrooms at major parks and trailheads. Urban sections also feature evening lighting and dedicated signals at street intersections for safety.

Does this route connect with other trails?

Yes, the Iron Horse Trail is a major connector. This specific route includes sections of the Iron Horse Regional Trail, San Ramon Valley Iron Horse Trail, and the San Ramon Creek Trail. It also briefly touches upon trails like the Contra Costa Canal Trail and the Briones to Mt. Diablo Regional Trail, offering potential for longer adventures.

What kind of scenery can I expect while cycling this loop?

The loop offers diverse scenery. You'll ride through suburban areas, charming downtowns like Danville, and 'green corridors' with native landscaping and mature trees in San Ramon. Expect views of marshy creeks, especially in the northern parts, with birdlife and wildflowers, and glimpses of the valley ridge line and Mount Diablo in the distance.

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