Welcome! You are about to experience the magic of an old-growth redwood grove. Giants dwell here, some over 300 years old and almost 300 feet tall.
Roy’s Redwoods is one of four places in Marin County where you can enjoy old-growth redwoods, and the only one with free admission that's also accessible to people of all abilities. It became one of the county’s first public preserves in 1978 through community members’ efforts. Redwood groves were common in San Geronimo Valley before logging and development, making this place even more special and in need of our protection.
While beloved for offering visitors an immersive experience, over time the lack of a defined trail system impacted the preserve’s health. In 2024, as part of the One Tam partnership, Marin County Parks and the Golden Gate National Parks Conservancy completed a project to restore the forest floor and formalize trails. This work is part of our broader efforts to increase forest health and resilience in Marin County and will help this place thrive for future generations to enjoy. The community was involved at each step of the eight-year process, from conception to construction.
This self-guided tour shares how this project helps and invites you to discover some of the wonders you’ll find here.