Muir Woods Loop

No, bicycles are not permitted within Muir Woods National Monument itself. The trails inside the Monument are for hiking only. However, this "Muir Woods Loop" for cyclists refers to routes in the broader surrounding area, including Mount Tamalpais State Park and Golden Gate National Recreation Area, which offer extensive cycling opportunities. You can cycle to the entrance of Muir Woods and then explore the Monument on foot.

The cycling routes around Muir Woods are known for their challenging climbs and varied terrain. You can expect significant elevation gain, with some segments reaching grades of 6% to 11%, and even a spot at 14.5%. Roads are often narrow and winding, with little to no shoulder, especially on approaches to Muir Woods and sections of Panoramic Highway. While many routes are paved, some fire roads in the surrounding parks can be unpaved and difficult.

Despite not cycling through the redwood groves of Muir Woods, the surrounding routes offer spectacular scenery. You'll experience coastal forests, ocean vistas along Highway 1, and panoramic views of the Pacific Ocean and Marin County from challenging climbs. The area boasts lush vegetation, including towering coastal redwoods in adjacent state park lands, Douglas firs, and manzanita. Views can extend across San Francisco Bay and include the impressive Mt. Tamalpais.

The best time to cycle this loop is generally during the dry season, from late spring through early fall (May to October), when weather is more predictable and roads are clear. However, the area can be ridden year-round, with mild winters. Be prepared for potential fog, especially in summer, and check weather conditions for rain, which can make winding roads slippery.

Yes, the route offers several stunning viewpoints. You'll pass by the North Beach Slide Ranch Overlook 🌊 and the Stinson Beach Overlook, both providing fantastic coastal views. Many climbs also offer panoramic vistas of the Pacific Ocean, Marin County, and even the San Francisco Bay.

Yes, this route utilizes sections of several other trails and roads. Notably, it incorporates parts of the Marin Coastal Bike Route, the Dipsea Race route, the Matt Davis Trail, and the Bay Area Ridge Trail - 01 - North Bay, among others. This integration allows for a diverse and interconnected cycling experience.

Given its 'difficult' rating and significant elevation gains (up to 14.5% grades), this loop is generally not recommended for beginner touring cyclists. It requires very good fitness and experience with challenging climbs and narrow, winding roads. Beginners might find shorter, flatter routes in the wider Marin County area more suitable.

Parking can be found in various locations around the Mount Tamalpais State Park and Golden Gate National Recreation Area, depending on your starting point. For Muir Woods National Monument itself, reservations are required for parking and shuttle service. For cycling, consider parking in nearby towns like Mill Valley or Stinson Beach and starting your loop from there to avoid direct Muir Woods parking complexities.

While there are no specific permits required for cycling on the public roads and fire roads that make up this loop, you should be aware of regulations for the areas you pass through. Mount Tamalpais State Park, which this route traverses, does not typically charge an entrance fee for cyclists on roads, but parking fees may apply if you use designated lots within the park. Muir Woods National Monument requires reservations for entry and parking if you plan to visit the Monument on foot.

Generally, dogs are not permitted on most trails within Muir Woods National Monument, Mount Tamalpais State Park, or Golden Gate National Recreation Area, especially on fire roads and singletrack. While some paved roads might allow dogs on leash, it's best to assume that this cycling route, which includes various park lands, is not suitable for cycling with dogs.

Given the challenging nature and varied terrain, you should bring plenty of water, energy snacks, and appropriate layers of clothing as weather can change quickly. A well-maintained touring bicycle with good climbing gears is essential. A repair kit, spare tube, pump, and navigation device are also highly recommended. Don't forget sun protection and a helmet.