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Overview
Muir Woods National Monument preserves one of the last remaining old-growth coast redwood forests in the San Francisco Bay Area. Located in Marin County, roughly 12 miles north of San Francisco, it sits within a sheltered canyon carved by Redwood Creek on the slopes of Mount Tamalpais. The monument was established in 1908 by President Theodore Roosevelt and named in honor of conservationist John Muir.
The forest contains redwoods that are hundreds to over a thousand years old, with some trees reaching heights above 250 feet. The canyon's moisture, shade, and protected geography created conditions where these ancient trees survived logging that cleared much of the surrounding region in the 19th century.
Visitation is high year-round, particularly on weekends and in summer. The National Park Service manages access carefully, requiring advance reservations for parking and, during peak periods, for trail entry. Planning ahead is essential for a smooth visit.
Before You Go
Reservations
Parking reservations at the Muir Woods trailhead are required and must be made in advance through the official National Park Service reservation system. Walk-in access is available but parking fills very quickly, especially on weekends and holidays. Shuttle access from a nearby hub (Sausalito or Marin City) is a popular and often easier alternative — check the official site for current shuttle schedules and availability as these change seasonally.
Entry Fees
Muir Woods charges an entrance fee for visitors 16 and older. Children under 15 are admitted free. Fee amounts should be verified at the official NPS site (nps.gov/muwo) before your visit, as they are subject to change. The America the Beautiful annual pass is accepted.
What to Bring
- Layers: the forest is cool and often damp even when surrounding areas are warm
- Sturdy, closed-toe shoes suitable for uneven terrain
- Water and snacks (food options inside the monument are limited)
- Rain gear if visiting in winter or spring
- No pets are allowed on trails inside the monument
Getting There
From San Francisco
Muir Woods has no direct public transit connection from San Francisco, making transportation planning important. The most straightforward options are:
- Personal vehicle or rental car: Take US-101 north across the Golden Gate Bridge, then Highway 1 and Muir Woods Road. Note that Muir Woods Road is narrow and winding. GPS navigation is reliable but verify your route avoids roads marked as unsuitable for large vehicles.
- Shuttle service: A seasonal shuttle operates from Sausalito and Marin City, connecting to the Muir Woods trailhead. This is strongly encouraged by the NPS to reduce congestion. Check the official reservation system for current schedules and booking.
- Organized tours: Several San Francisco-based tour operators offer guided day trips to Muir Woods, often combined with Sausalito. Verify operator credentials and current pricing independently.
By Bicycle
Experienced cyclists can ride from Mill Valley or Sausalito via designated routes, though the approach roads involve significant elevation and narrow lanes. Verify current cycling access on the NPS site before planning this option.
Getting Around
The monument is navigated entirely on foot. The main paved trail, Redwood Creek Trail, runs along the canyon floor and is relatively flat, making it accessible to most visitors including those with strollers and visitors with limited mobility — verify current accessibility conditions on the NPS site as trail maintenance can affect access.
Several unpaved loop trails climb out of the canyon into the surrounding Mount Tamalpais State Park, offering more challenging terrain and less crowded experiences. The Hillside Trail and Fern Creek Trail are among the commonly used routes. Trail maps are available at the visitor center and on the NPS website.
Trails are clearly signed. Staying on marked paths is both required and important for protecting the shallow root systems of the redwoods.
Things to See & Do
Walking the Forest Floor
The primary experience at Muir Woods is walking among the redwoods. The paved main trail is about a mile into the forest and back, while the full loop using upper trails adds considerable distance. Cathedral Grove, an area of particularly dense, tall trees deeper in the canyon, is a highlight for most visitors.
Wildlife Observation
The forest supports varied wildlife including Steller's jays, banana slugs, Pacific giant salamanders, and — seasonally — coho salmon and steelhead trout spawning in Redwood Creek. Salmon runs typically occur in winter months; verify timing locally.
Ranger Programs
The NPS periodically offers ranger-led talks and interpretive programs. Check the official site for a current schedule as programming varies by season and staffing.
Photography
The interplay of filtered light, fog, and the scale of the trees makes Muir Woods a rewarding subject. Morning visits, especially on overcast days, tend to offer the most atmospheric conditions and fewer other visitors in frame.
Extending into Mount Tamalpais State Park
Trails connect directly into the adjacent state park, where hikers can reach exposed ridgelines with panoramic Bay Area views. This significantly extends the hiking options beyond the monument itself.
Food & Drink
A small café operates near the main entrance of the monument, offering basic food and beverage options. Availability and hours should be verified locally as these can change. Eating is not permitted on the trails themselves.
For a wider range of dining options, nearby Mill Valley is the closest town and has a well-regarded selection of cafes, restaurants, and markets. Sausalito, on the bay waterfront, is another convenient option before or after a visit and has numerous restaurants with varied cuisines and waterfront views.
Bringing your own water and packaged snacks into the monument is permitted and recommended, particularly for those planning longer hikes into the surrounding state park.
Practical Information
Hours and Seasonal Notes
Muir Woods is open every day of the year, including holidays, though hours vary by season. Current hours are listed on the NPS website (nps.gov/muwo). Arriving at or shortly after opening is strongly recommended to experience the forest more quietly and to secure access.
Connectivity
Cell service inside the canyon is limited or absent. Download trail maps or the NPS app content before arrival.
Facilities
Restrooms and a gift shop are located near the entrance. There are no lodging options within the monument. The nearest accommodations are in Mill Valley, Sausalito, Tiburon, and San Francisco.
Accessibility
The paved main trail is the most accessible portion of the park. The NPS publishes current accessibility details on the official site, which is worth checking in advance if this is a consideration.
Safety
Muir Woods is a safe and well-managed destination, but standard outdoor precautions apply. Wear appropriate footwear for uneven and potentially wet surfaces. Do not climb on or touch the trees — the shallow, wide root systems that support redwoods are easily damaged by foot traffic and compaction.
Weather in the canyon can differ markedly from San Francisco or surrounding areas: fog, shade, and cool temperatures are common even in summer. Dress in layers and carry rain gear in the wetter months (November through March).
For general emergencies, dial 911. The park visitor center staff can assist with non-emergency concerns. Store all food and scented items securely if venturing into the wider state park, where wildlife is present.
