San Andreas Fault Trail

The trail is located within the Los Trancos Open Space Preserve. You'll find parking available at the preserve's main entrance, which provides direct access to the trailhead.

Yes, dogs are generally permitted on trails within the Los Trancos Open Space Preserve, including the San Andreas Fault Trail. However, they must always be kept on a leash.

Thanks to its well-shaded environment, the trail is a good option even during warmer parts of the day. Spring and fall offer pleasant temperatures, but it can be enjoyed year-round. Mornings and evenings are ideal for wildlife viewing.

No, there are typically no permits or entrance fees required to access the Los Trancos Open Space Preserve or its trails, including the San Andreas Fault Trail.

Absolutely! This trail is considered easy with minimal elevation change, making it suitable for a wide range of users, including beginner joggers and families. It's described as '90% runnable'.

This trail is unique because it runs directly along the San Andreas Fault. You'll encounter interpretive stations explaining geological processes, features like pressure ridges and sag ponds, and even evidence of the 1906 San Francisco earthquake, such as a reconstructed fence showing displacement. Don't miss San Andreas Fault Trail Station 1 for an introduction to the fault.

The main loop is about 0.6 miles (0.9 km) long. For an average jogger, it takes approximately 15-20 minutes to complete the loop, allowing time to pause at the interpretive stations.

The trail meanders through a diverse, shaded forest with bay trees and oaks. Keep an eye out for wildlife such as deer, turkeys, woodpeckers, and squirrels, especially during the quieter morning and evening hours. On clear days, some viewpoints may offer distant vistas of San Francisco and Mt. Diablo.

Yes, the route also passes through sections of the Franciscan Loop Trail, Page Mill Trail, Interpretive Trail, Lost Creek Loop Trail, Canyon Trail, Stevens Creek Nature Trail, and Upper White Oak Trail.

Take your time to read the self-guided interpretive signs along the way; they offer fascinating insights into the geology of the San Andreas Fault. The trail is well-shaded, making it a good option even on sunnier days, but arriving earlier in the day can enhance wildlife viewing opportunities.

The trail primarily consists of a singletrack path that is relatively free of obstacles, making it ideal for jogging. It features gentle rises and descents as it crosses the fault line. While generally easy, some sections may have slight inclines, and you might notice signs of past landslides due to springs along the fault.