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Routes
Hiking trails & Routes
United States
California
Contra Costa County
Concord

Iron Horse Regional Trail

Hard

3.2

(29)

96

hikers

Iron Horse Regional Trail

11:46

46.3km

160m

Hiking

Embark on a challenging hike along the Iron Horse Regional Trail, a 28.8-mile (46.3 km) route that traces a historic railroad line through the East Bay. You will experience a generally flat and straight path, making the 519 feet (158 metres) of elevation gain feel manageable over such a long distance. Expect to spend around 11 hours and 45 minutes exploring a diverse landscape, from suburban stretches to green, shaded areas. As you hike, keep an eye out for distant views of Mt. Diablo and observe cattle grazing on hillsides, offering a glimpse of rural life amidst urban development. This difficult trail offers a unique blend of natural beauty and urban convenience.

Planning your visit requires preparation, especially given the trail's length and exposure. Always carry plenty of water and wear sun protection, as some sections offer little shade. Be mindful of potential wildlife such as rattlesnakes and coyotes, particularly during warmer months, and watch for poison oak and ticks along the path. The trail can become quite busy on weekends, so consider an early start or a weekday visit if you prefer a quieter experience.

This extensive trail is a testament to its past as a vital railroad corridor, now repurposed for recreation. It connects numerous communities, providing a unique opportunity to traverse a significant portion of the East Bay Regional Park District on foot. The route is notable for its blend of natural and urban environments, allowing you to encounter local wildlife near wide creeks while also passing through developed areas. It stands out as a long-distance option for those seeking a sustained hiking challenge within a varied landscape.

Last updated: April 23, 2026

Waypoints

A

Start point

Get Directions

19.2 km

Creekside Community Church

Place Of Worship

2

29.2 km

Iron Horse Regional Trail

Highlight • Trail

What is the Iron Horse Trail? The Iron Horse Regional Trail is a more than 25-mile route that runs from Pleasanton to Concord, following the old Southern Pacific Railroad line. In San Ramon, the trail covers approximately 2.6 miles.

The trail offers views of the valleys and hills of Mount Diablo and winds through residential neighborhoods, parks, and commercial areas.

Translated by Google •

Tip by

3

31.1 km

Iron Horse Trail

Highlight • Trail

nice to have done once

Translated by Google •

Tip by

4

34.7 km

The Iron Horse Trail is protected with a fence tunnel from flying golf balls as it passes through the Country Club with golf course greens on both sides.

Tip by

5

35.3 km

Well managed community park with restrooms and water fountains and some benches with shade for a break on a run along the Iron Horse Trail

Tip by

6

38.6 km

Alamo Canal Trail, Dublin

Highlight • Trail

Part of the long North-South regional trail along the former San Ramon Valley railway, now Iron Horse Trail

Tip by

7

40.2 km

Alamo Canal

Highlight • River

The Alamo Canal Trail can be found adjacent to the man-made waterway, the Alamo Canal. It is a short but useful trail, connecting riders and runners to other trails, like the Iron Horse Regional Trail.

Tip by

8

41.7 km

Excellent car-free trail linking up to the Iron Horse Trail along a former railway line, well paved and marked from Dublin to Concord.

Tip by

10

44.3 km

Arroyo Valle Trail

Highlight • Trail

11

45.8 km

Koll Center Parkway Trail

Highlight • Trail

B

46.3 km

End point

Bus stop

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Way Types & Surfaces

Way Types

45.9 km

232 m

< 100 m

< 100 m

Surfaces

33.4 km

9.58 km

2.11 km

775 m

423 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 (140 m)

Lowest point (10 m)

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Weather

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Today

Sunday 24 May

21°C

12°C

0 %

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Max wind speed: 26.0 km/h

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Frequently Asked Questions

What is the terrain like on the Iron Horse Regional Trail?

The trail is predominantly flat and straight, as it follows a former railway line. Most sections are paved, making it accessible for various users. You might encounter some unpaved or soft dirt sections, particularly in Pleasanton along I-680, but generally, it's an easy walk with minimal elevation gain.

Is the Iron Horse Regional Trail suitable for beginners or families?

Yes, the trail is very suitable for beginners and families due to its flat and mostly paved terrain. Its 'rail-trail' design means it's easy to navigate, and many sections are even wheelchair accessible. The main challenge for beginners would be the overall distance if attempting the entire route.

What kind of scenery can I expect along the way?

The scenery varies greatly along the trail, spanning both Alameda and Contra Costa Counties. You'll pass through residential and commercial areas, parks, and schools. Expect views of the valley ridgeline and distant Mt. Diablo. Sections near Alamo and Danville offer pleasant shade from mature oak trees, while north of Pleasant Hill, the trail parallels a wide creek. You might also spot wildflowers or grazing cattle in certain areas.

What are some notable features or points of interest on the trail?

The trail itself is a historic rail-trail, following the corridor of the former Southern Pacific Railroad. You can visit the restored Danville train station, which now houses the Museum of the San Ramon Valley. Other highlights along the route include the Golf 'tunnel' - San Ramon Country club, Iron Horse Trail, Richard Fahey Village Green Park - Iron Horse Trail, and various bridges like the Arroyo Mocho Bridge - Centennial Trail.

Does the trail connect to other paths?

Yes, the Iron Horse Regional Trail serves as a central artery, connecting to several other regional trails. It provides links to the Contra Costa Canal Trail and various paths leading towards Mt. Diablo. The route also passes through sections of the Briones to Mt. Diablo Regional Trail, Contra Costa Canal Trail, Las Trampas to Mt. Diablo Regional Trail, and Alamo Creek Trail.

Is the Iron Horse Regional Trail dog-friendly?

Yes, the trail is popular with dog walkers. Dogs are generally allowed but must be kept on a leash. Please remember to clean up after your pet to help keep the trail enjoyable for everyone.

What is the best time of year to visit?

The trail can be enjoyed year-round. Spring offers pleasant temperatures and wildflowers, while fall provides comfortable weather. Summer can be warm, so it's best to go early in the morning or later in the afternoon, and always carry plenty of water. Winter is generally mild, though some sections might be muddy after rain.

Where can I park and access the trail?

The Iron Horse Regional Trail spans many communities, offering numerous access points and parking options along its 32-mile length. It connects to several BART (Bay Area Rapid Transit) stations, providing public transport access. Specific parking areas can be found in cities like Concord, Walnut Creek, Danville, San Ramon, and Pleasanton. Look for designated trailheads or parking lots near parks that intersect the trail.

Do I need a permit or pay an entrance fee to use the trail?

No, there are generally no permits or entrance fees required to access the Iron Horse Regional Trail itself. As part of the East Bay Regional Park District, many of its facilities and trails are free to use. However, always check for specific regulations or potential parking fees at individual access points or parks along the route.

What wildlife might I see on the trail?

While much of the trail is urban or suburban, you can still spot wildlife, especially in greener sections or near water sources. North of Pleasant Hill, where the trail parallels a wide creek, you might see ducks, geese, and egrets. In more natural areas, keep an eye out for smaller mammals. During warmer months, be aware of potential rattlesnakes and coyotes, as well as poison oak, stinging nettles, ticks, and spiders.

What should I bring for a hike on the Iron Horse Regional Trail?

Given the trail's length and potential exposure, it's advisable to bring plenty of water, especially on warmer days. Sun protection like a hat and sunscreen is recommended. Comfortable walking shoes are a must. If you plan to be out after dark, wear bright clothing for visibility. For longer excursions, consider snacks. Don't forget essentials for your dog if they're joining you.

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