Redwood Valley Railway and Grizzly Peak Viewpoint loop

This touring bicycle loop typically takes around 1 hour and 7 minutes to complete. However, this duration can vary based on your fitness level, the number of stops you make for views, and traffic conditions on the roads.

The terrain is characterized by significant elevation changes, making it a challenging ride. You'll encounter long, steady uphill stretches, particularly on Grizzly Peak Boulevard, with an average grade of 4.3%. Redwood Road offers a more gradual ascent through redwood forests. Expect a mix of paved roads, with some segments potentially unpaved, and curvy descents that require caution.

This loop offers a diverse range of scenery. As you climb Grizzly Peak Boulevard, you'll be rewarded with spectacular panoramic views of the San Francisco Bay, the Golden Gate Bridge, the Bay Bridge, and the Oakland city skyline, especially from the Grizzly Peak Vista Point. The route also takes you through lush redwood forests, particularly along Redwood Road, and past unique hillside architecture. You'll also be near the Tilden Park Steam Train, a miniature railway that winds through redwoods.

No, this route is generally considered challenging and requires good fitness. The substantial climbs and descents, particularly on Grizzly Peak Boulevard, make it more suitable for experienced touring cyclists. Beginners might find the elevation gain and varied terrain quite demanding.

Parking is available at various points around Tilden Regional Park and along Grizzly Peak Boulevard. Specific parking areas can be found within Tilden Park, which provides access to the general area. It's advisable to check for designated parking lots, especially near popular trailheads or attractions like the Tilden Park Steam Train, as street parking can be limited.

The best time to cycle this route is typically during the spring and fall when the weather is mild and clear. Summer can be pleasant, but watch out for potential heatwaves. Winter can bring rain and cooler temperatures, making some sections slippery. Always check the weather forecast before you go, as conditions can change rapidly in the Berkeley Hills.

Within Tilden Regional Park, where much of this route is located, dogs are generally allowed on trails, but they must be kept on a leash no longer than 6 feet. Always clean up after your pet. Specific regulations may vary on certain paths or in sensitive wildlife areas, so look for signage.

No, there are generally no entrance fees or permits required to access Tilden Regional Park for cycling. However, some specific attractions within the park, like the Tilden Park Steam Train, may have their own fees. Always check the official East Bay Regional Park District website for the most current information on regulations or potential changes.

Yes, this route utilizes sections of several well-known paths. You'll find yourself on parts of the Grizzly Peak Trail, Selby Trail, Vollmer Peak Trail, and the East Bay Skyline National Recreation Trail, among others. These intersections offer opportunities to explore further if you wish to extend your ride.

For the most rewarding experience, consider cycling this loop on a clear day to fully appreciate the panoramic Bay Area views from Grizzly Peak Boulevard. Starting your ride earlier in the morning can help you avoid heavier traffic, especially on weekends, and often provides clearer skies before any afternoon fog rolls in. Also, be mindful of the curvy descents, particularly on roads like Pinehurst, and watch for gravel.

Tilden Regional Park has several regulations to ensure visitor safety and preserve the natural environment. These include keeping dogs on leash, staying on marked trails, packing out all trash, and observing quiet hours. Fires are only permitted in designated areas. Always respect wildlife and plant life. For detailed and up-to-date rules, refer to the official East Bay Regional Park District website.