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Routes
Road cycling routes
United States
California
Contra Costa County
Contra Costa Centre

Lamorinda Trail Loop

Moderate

4.7

(7422)

13,045

riders

Lamorinda Trail Loop

02:05

43.1km

350m

Road cycling

The Lamorinda Trail Loop offers a fantastic road cycling experience, guiding you through the picturesque East Bay hills and charming communities of Lafayette, Moraga, and Orinda. Much of the route utilizes former railroad lines, providing a tranquil cycling environment, especially along the central section between Lafayette and Moraga. You'll enjoy…

Last updated: June 9, 2026

Waypoints

A

Start point

Parking

Get Directions

1

616 m

Iron Horse Trail Bridge at Treat Boulevard

Highlight • Bridge

Exceptionally well-built bike infrastructure, with a wide, gradually rising bridge that allows an almost effortless crossing above the busy intersection.

Tip by

2

1.04 km

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

3

2.98 km

Iron Horse Trail bridge

Highlight • Bridge

The old railway bridge crosses Walnut Creek and continues its service to the bikers and pedestrians along the Iron Horse Regional Trail.

Tip by

4

15.0 km

Lafayette-Moraga Trail

Highlight (Segment) • Trail

Following the winding valley of Las Trampas Creek, the Lafayette-Moraga Trail runs on the elevated former railway above the parallel St-Mary's Road bike trail, which can be seen through the foliage below.

Tip by

B

43.1 km

End point

Parking

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Way Types & Surfaces

Way Types

34.1 km

8.01 km

1.00 km

Surfaces

27.2 km

15.7 km

243 m

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Elevation

Elevation

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Weather

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Wednesday 8 July

28°C

12°C

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Frequently Asked Questions

Where can I park to access the Lamorinda Trail Loop?

The Lamorinda Trail Loop connects the communities of Lafayette, Orinda, and Moraga, offering multiple access points. While specific parking lots aren't detailed, you can typically find parking near trailheads within these towns. Look for public parking areas in Lafayette, Orinda, or Moraga that are close to the trail's path.

Is the Lamorinda Trail Loop dog-friendly?

The Lafayette-Moraga Regional Trail, a significant component of the loop, is generally dog-friendly. However, leash laws are typically enforced in regional trails and parks. Always ensure your dog is on a leash and that you clean up after them to maintain a pleasant experience for all users.

What is the best time of year to cycle the Lamorinda Trail Loop?

The Lamorinda Trail Loop is enjoyable year-round, but spring and fall offer the most pleasant cycling conditions with mild temperatures and vibrant scenery. Summers can be warm, so an early morning ride is recommended. Winters are generally mild but can bring occasional rain.

Do I need a permit or pay an entrance fee for this trail?

No, you do not need a permit or have to pay an entrance fee to cycle the Lamorinda Trail Loop. It's a public trail system accessible to everyone.

Is the Lamorinda Trail Loop suitable for beginners?

The Lamorinda Trail Loop is generally considered a moderate ride, but its mostly paved sections, especially those built on former rail lines, are suitable for all skill levels. While some segments may require good fitness, beginners can enjoy many parts of the trail. The full loop, at over 43 km, requires good endurance.

What is the terrain like on the Lamorinda Trail Loop?

The terrain is predominantly paved, as much of the loop is built on a former rail line, providing a smooth surface separated from road traffic. You'll cycle through picturesque valleys, upscale neighborhoods, and wooded open spaces. While mostly paved, some segments might be unpaved and more challenging.

What are the scenic highlights or viewpoints along the route?

The loop offers several scenic spots. You'll pass over the Iron Horse Trail Bridge at Treat Boulevard and other notable bridges like the Iron Horse Trail bridge. The central section through Moraga Valley is particularly scenic, and higher points offer magnificent views of the Diablo Range. Keep an eye out for the 'Horseshoe Bend' on the Lafayette-Moraga Bike Trail, a unique feature from the old railroad's path.

Does the Lamorinda Trail Loop connect with other trails?

Yes, the route incorporates and intersects with several other trails. Significant portions follow the Lafayette-Moraga Trail and the Iron Horse Regional Trail. You'll also encounter sections of the Contra Costa Canal Trail, the Briones to Mt. Diablo Regional Trail, and the Mokelumne Coast to Crest Trail.

How long does it typically take to complete the Lamorinda Trail Loop?

The full Lamorinda Trail Loop, which is over 43 kilometers, typically takes around 2 hours to complete for a racebike cyclist. This duration can vary based on your cycling speed, fitness level, and how often you stop to enjoy the scenery.

Is the Lamorinda Trail Loop family-friendly?

Given its mostly paved surfaces and separation from vehicular traffic, many sections of the Lamorinda Trail Loop are suitable for families. However, the full 43 km distance and some moderate climbs might be challenging for very young children or those new to cycling. Consider shorter segments for a family outing.

Are there cafes or pubs near the Lamorinda Trail Loop?

Yes, as the loop connects the communities of Lafayette, Orinda, and Moraga, you'll find various cafes, restaurants, and pubs in these towns. They offer convenient spots to refuel or relax before, during, or after your ride.

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