Eldridge Grade to East Peak Loop

This challenging mountain bike loop usually takes around 2 hours and 4 minutes to complete. This duration is for the riding time itself, so plan for additional time for breaks, enjoying the views, and any unforeseen stops.

The Eldridge Grade to East Peak Loop often starts near Phoenix Lake. While specific parking details aren't provided, you'll typically find parking areas around the Phoenix Lake access points. It's always a good idea to arrive early, especially on weekends, as this is a popular route.

You'll be riding primarily on a fire road, but it's known as a 'fire road with attitude'! The lower sections from Phoenix Lake offer a gradual ascent through shady redwood and bay trees. As you climb, the trail becomes progressively rockier and more technically demanding. The Eldridge Grade descent, in particular, is one of the rockiest fire roads in the Bay Area, with some segments of the overall descent reaching grades steeper than -30%. Full-suspension bikes are often recommended for comfort on the descent.

The route is famous for its spectacular scenery. You'll get incredible views from View from Eldridge Grade. The most expansive vistas are from East Peak, offering wide views of the San Francisco Bay, the Pacific Ocean, and southern Marin. On clear days, you can see for miles, and on foggy days, you might climb above the clouds for a unique experience. A short, hiking-only trail called Verna Dunshee Trail at the peak provides nearly 360-degree views.

The Eldridge Grade to East Peak Loop can be enjoyed year-round, but conditions vary. Spring and fall generally offer the most pleasant temperatures. Summer can be hot, especially on the exposed upper slopes, so an early start is advisable. Winter rides can be beautiful, but be prepared for potentially wet and muddy conditions, and always check the weather forecast for fog or rain.

Regulations regarding dogs on trails can vary within Mount Tamalpais State Park. It's best to check the official Mount Tamalpais State Park website or signage at the trailhead for the most current rules on dogs, including leash requirements and permitted areas, before you go.

Beyond the challenging terrain and stunning views, you'll pass by Lagunitas Trail and experience the classic Eldridge Grade, an iconic route to the summit of Mount Tamalpais. The ride also offers the chance to reach Mount Tamalpais Middle Peak Summit View, providing those panoramic vistas of the Bay Area.

Yes, there is a designated Water Resupply point along the route. However, it's always wise to carry sufficient water for the entire ride, especially on warmer days, as conditions can change and facilities might not always be operational.

Yes, the route utilizes and intersects with several other trails and fire roads. You'll spend significant portions on the Eldridge Grade Fire Road and Lagunitas Rock Spring Road. Other trails you might encounter include Northside Trail, East Peak Fire Trail, Indian Fire Trail, Lagunitas Fire Trail, and Lakeview Trail, among others. This offers flexibility for variations if you wish to explore further.

Mount Tamalpais State Park has specific regulations for trail use, including mountain biking. While there isn't a general permit required for riding this specific loop, there may be day-use fees for parking at certain access points within the park. Always respect trail etiquette, stay on marked trails, and be mindful of other users. For the most up-to-date information on fees and regulations, it's best to check the official California State Parks website for Mount Tamalpais State Park.

While the Eldridge Grade offers a direct and challenging return, riders do have options to connect with other fire roads. For example, you could link up with Rock Spring for a thrilling descent towards Lake Lagunitas, providing a different experience and allowing for variations to the classic loop.