Old San Pablo Dam Road Loop

While the trail doesn't specify a single main parking lot, you can typically find parking near access points to Tilden Regional Park or Wildcat Canyon Regional Park, which the loop passes through. Be sure to check specific park regulations for parking areas.

Yes, an EBMUD trail permit is required for access to some parts of the trail, particularly those around the San Pablo Reservoir. It's best to obtain one before your ride.

Tilden Regional Park, through which a significant portion of this loop runs, generally does not require specific cycling fees beyond any regional park entrance fees that might apply to vehicles. However, standard park rules regarding trail etiquette, speed limits, and staying on designated paths apply. Always check the official East Bay Regional Park District website for the latest regulations.

The trail passes through regional parks where dogs are generally allowed, often on leash. However, specific sections, especially those requiring an EBMUD permit, might have different rules regarding dogs. It's advisable to check the specific regulations for each segment you plan to ride.

The loop can be enjoyed year-round, but spring and fall offer the most pleasant conditions with mild temperatures and lush scenery. Summer can be warm, and winter rides might encounter muddy or wet sections, especially on unpaved parts. The car-free sections are enjoyable in any season.

The terrain is quite varied, featuring a mix of paved and unpaved sections. You'll encounter crumbling asphalt, gravel double-track, and even some rough single-track. A gravel bike is often recommended due to the diverse and sometimes challenging surfaces. Be prepared for numerous gates along the route.

No, this loop is generally classified as a 'difficult' or 'hard' ride, requiring 'very good fitness'. It involves significant elevation gain, varied and challenging terrain, and can feel like mountain biking in some sections. It's not recommended for beginners.

Key highlights include the Car-free section of the Old San Pablo Dam Road, which offers excellent views without traffic. You'll also ride along Nimitz Way, a paved path with stunning panoramic views of the San Francisco Bay. The route also winds through dense woods, offering lush landscapes.

Yes, the route intersects with several other well-known paths. Significant portions overlap with the Bay Area Ridge Trail - 02 - East Bay, the East Bay Skyline National Recreation Trail, and the Mokelumne Coast to Crest Trail. You'll also spend time on Nimitz Way and the Old San Pablo Trail.

Given the varied terrain and potential for isolation, it's recommended to bring a gravel bike or a sturdy touring bicycle, plenty of water, snacks, a repair kit, and a reliable GPS device for navigation. Some sections can be challenging, so appropriate gear for a difficult ride is essential.

While the trail offers a sense of isolation, some car-free sections of the Old San Pablo Dam Road do include restrooms. Cafes and other amenities are not directly on the trail but can be found in nearby towns before or after your ride.