Lamorinda and Iron Horse Trail Loop

This route is generally considered moderate for road cycling. It combines the moderately challenging sections of the Lafayette–Moraga Regional Trail, which includes three medium-sized hills and about 408 meters (1,339 feet) of elevation gain, with the mostly flat stretches of the Iron Horse Trail. The combined distance of approximately 86.8 km (54 miles) also contributes to its moderate rating, requiring good fitness.

While the Iron Horse Trail sections are largely flat and accessible, the full loop includes significant distance and some climbs from the Lafayette–Moraga Regional Trail. Beginners might find the full 86.8 km (54 miles) challenging. We recommend that less experienced cyclists consider shorter segments of the flatter Iron Horse Trail or build up their endurance before attempting the entire loop.

The route is predominantly paved, making it ideal for road bikes. You'll experience a mix of dedicated bikeways and some segments that share the road in marked cycling lanes, particularly on the Lafayette–Moraga Regional Trail. The Iron Horse Trail is also largely paved, though some sections, especially around Pleasanton, might have dirt or rocky parts, so exercise caution there.

Spring and fall generally offer the most pleasant cycling conditions with mild temperatures and less chance of extreme heat or heavy rain. Summer can be warm, especially in the inland areas along the Iron Horse Trail, so an early start is advisable. Winter can bring rain, but many days are still suitable for cycling.

Yes, both the Lafayette–Moraga Regional Trail and the Iron Horse Trail are generally dog-friendly. Dogs must be kept on a leash and under control at all times. Please remember to clean up after your pet to keep the trails enjoyable for everyone.

No, there are no specific permits or entrance fees required to cycle the Lafayette–Moraga Regional Trail or the Iron Horse Trail. These are public regional trails accessible to everyone.

There are various parking options along both trails. For the Lafayette–Moraga Regional Trail, you can often find parking near community parks in Lafayette, Moraga, or Orinda. For the Iron Horse Trail, numerous access points with parking are available in towns like Danville, Walnut Creek, and Pleasanton. Consider starting near Leigh Creekside Park for convenient access to both.

This loop offers diverse scenery. You'll pass through the charming communities of Lafayette, Moraga, and Orinda, with sections of the Lafayette–Moraga Regional Trail offering particularly scenic views, especially around the Lafayette Reservoir Recreation Area. The Iron Horse Trail takes you through varied landscapes, from urban areas to greenbelts and natural spots, including Leigh Creekside Park.

Yes, the route incorporates significant portions of both the Lafayette–Moraga Regional Trail and the Iron Horse Trail. It also passes through sections of the San Ramon Valley Iron Horse Trail, Lafayette-Moraga Trail, and the Diablo Road Trail, among others, connecting a wider network of East Bay paths.

Absolutely. Both the Lafayette–Moraga Regional Trail and the Iron Horse Trail pass through numerous towns and commercial areas. You'll find plenty of cafes, restaurants, and shops in Lafayette, Moraga, Orinda, Danville, and other communities along the way where you can refuel and rehydrate.

Given the length and moderate difficulty, we recommend bringing plenty of water, snacks, a repair kit (including spare tubes), and a pump. A helmet is essential. Depending on the weather, layers of clothing are advisable, especially in spring and fall. Don't forget your phone for navigation and emergencies, and consider a bike computer to track your progress.