Roy's Redwoods Preserve

• Primeval groves of bay and redwood trees are the star attractions here.
• Bay trees and towering redwoods run along picturesque Meadow Trail, where scenes in George Lucas' The Ewok Adventure were filmed.
• Climb the Dickson Ridge Fire Road for sweeping views from Mount Tamalpais to Mount Wittenberg.
• For a peaceful getaway, meander down Roy’s Redwoods Loop Trail. It's a secluded ridge with sheltering fir, madrone, and oak trees.
• Look for "hippie trees." A 60's commune made their homes inside large hollowed-out trunks.
• Travel on to Maurice Thorner Memorial Preserve via connecting Thorner Ridge Trail.
• Dogs welcome–must be leashed on trail, and under voice command on fire roads, with leash readily available.

• Look for pileated woodpeckers and back-throated gray warblers during the day. Listen for barn owls and great–horned owls in evening and early morning.
• Pacific hound's tongue, milkmaids, and other wildflowers bloom in spring.
• Kingsnakes, racers, ring-necked snakes, and rattlesnakes make their home here, as does every species of lizard in the county.
• Check out the iNaturalist field guide. Add your own observations.

• Stay on roads and trails to preserve sensitive ecosystems and to avoid trespassing on private property.
• Be courteous and safety conscious when sharing roads and trails. Go slow and say hello.
• Dress appropriately for the weather. Trails can be muddy during rainy season.
• Bring water.
• There are no restrooms at this location.
• Steer clear of poison oak.
• After an outing, check for ticks.

From Hwy 101 in Larkspur, take the exit for Sir Francis Drake Blvd west 8.6 miles, turn right onto Nicasio Valley Rd. Gate is approximately 0.5 miles up on the right.

Street parking only. Please be respectful of local residents. Do not block streets, gates, or driveways.

• Golden Gate Highway and Transportation District
• Marin Transit Trip Planner
• Route from San Rafael Transit Center

You can also dial 511 to find out about transit options from your location.

• Day use only.
• No smoking or fires.
• Weapons and hunting prohibited.
• Motorized vehicles prohibited. (Individuals with qualified disabilities may operate certain kinds of zero-emission mobility devices on some roads,multiuse trails, and certain other facilities.)
• Everyone must yield the right-of-way to horses. Bikes must also yield to pedestrians.
• No model airplanes, drones, or other self-propelled crafts.
• Dispose of waste property. Pack it out.
• Permit required for commercial use and groups of more than 15 people.
• All resources are protected. Do not follow, approach, or feed wildlife.

DOGS

• Dogs may be off-leash on fire roads only if kept under voice control. Leash must always be readily available.
• Dogs are allowed on signed trails and must be leashed. Leash must not exceed 6 feet in length.
• Off-fire road and off-trail use prohibited.
• Individuals accompanying dogs are required to clean up and remove pet waste.
• A maximum of 3 dogs per person is allowed. No commercial dog walking permitted in this preserve.

BIKES

• Permitted on signed fire roads and trails designated for multiuse and hikers/bikes.
• Off-fire road and off-trail use prohibited.
• Speed limit is 15 mph or less. Must slow to 5 mph when passing others or around blind turns.
• Electric bicycles are not permitted.

HORSES

• Permitted on signed fire roads and trails designated for multiuse and hikers/horses.
• Off-fire road and off-trail use prohibited except when watering or resting the horse.

In an emergency, call 911. To report an incident or suspicious activity, call the Ranger Field Office at (415) 473-2816 or submit an Incident Report via online form.

Visitors are responsible for knowing and obeying all Marin County Open Space District (MCOSD) regulations. Citations will be issued for violations. Read the official regulations: Marin County Municipal Code Appendix A.

Call (415) 473-6387 for more information regarding allowable types and use of mobility devices for people with qualified disabilities.

The MCOSD is a special district pursuant to the California Public Resources Code. Marin County Parks oversees the management of the county parks system and provides public information on behalf of the MCOSD.