San Pablo & Briones Reservoir loop

You can typically find parking at the San Pablo Reservoir Recreation Area. Specific trailheads within the area, such as the one near the Kennedy Grove - San Pablo Dam Overlook and Trailhead, offer convenient access. Always check local signage for parking regulations and fees.

Yes, as this trail is located within East Bay Regional Parks, there may be entrance fees or parking fees required. It's always best to check the official East Bay Regional Park District website for the most current information on permits and fees for the San Pablo Reservoir Recreation Area and Briones Regional Park.

The best time to ride this loop, especially to enjoy the scenic green hills, is typically between January and April. During this period, the landscape is vibrant, and the weather is generally cooler. Be aware that some sections can get muddy after rain, especially if cows have been on the trails.

This loop is generally considered moderate to hard, requiring good fitness due to significant elevation changes and steep gradients. While some sections are paved or fire roads, there are also challenging climbs and occasional singletrack. Beginners might find parts of the route very demanding, potentially requiring them to push their bikes on steeper sections.

The loop features a diverse terrain, including steep fire roads, some paved sections, and occasional singletrack. You'll encounter very steep climbs, especially within Briones Regional Park, and a car-free section of the Old San Pablo Dam Road with crumbling asphalt. The Briones Reservoir section also includes both paved and dense forest singletrack areas.

You'll enjoy picturesque views of San Pablo Reservoir and Briones Reservoir, with several viewpoints like the Little John Cove overlook and the Briones Reservoir view off Bear Creek Road. The route also passes the San Pablo Creek Bridge and offers expansive views from ridgetops across Suisun Bay and towards Mount Diablo.

Yes, the route incorporates sections of several other trails, including the Bay Area Ridge Trail - 02 - East Bay, ADT - California - T - Seg 8, Mokelumne Coast to Crest Trail, East Bay Skyline National Recreation Trail, and Nimitz Way. You'll also ride parts of the Old San Pablo Trail and Fire Trail No 3.

Regulations for dogs can vary within the East Bay Regional Parks. While some trails in Briones Regional Park are dog-friendly, it's crucial to check the specific rules for the San Pablo Reservoir Recreation Area and Briones Regional Park before you go. Leash laws are typically enforced.

Given the loop's length and difficulty, you should bring plenty of water, snacks, a repair kit for your bike, and appropriate safety gear. Sun protection is also essential, as many sections are exposed. A map or GPS device is recommended due to the intersecting trails.

While the immediate trailheads are generally in more natural settings, you can find cafes and pubs in nearby towns such as Orinda, Lafayette, or Moraga. These towns are a short drive from the San Pablo Reservoir Recreation Area and Briones Regional Park, offering options for post-ride refreshments.

One unique aspect is the 'roller coaster ride' feel, with continuous ups and downs that keep the ride engaging. You'll also encounter a peaceful, car-free section of the Old San Pablo Dam Road with excellent reservoir views, and might even spot 'crazy cows' grazing on the hillsides in Briones Regional Park, adding to the rustic charm.