Welcome to Sugarloaf Ridge State Park
Sugarloaf Ridge State Park contains the headwaters of Sonoma Creek. It runs through gorge and canyon, across the meadow floor, beneath scenic rock outcroppings, and is surrounded by redwoods and ferns. With 47 family-sized campsites and 25 miles of hiking trails, it is the perfect place to spend time outdoors!
See the park Conditions Page for:
Trail closures/conditions, Wildflower report, Links to weather conditions at the park, and Other park info as needed.
Camping: We have 44 campsites open, both reservable in advance and first-come, first-served in our lovely creekside campground.
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Read the Sonoma Ecology Center 2023 Impact Report!
Our parent organization, Sonoma Ecology Center, making great impacts in the areas of COMMUNITY, LAND, CLIMATE, WATER, and BIODIVERSITY in Sonoma Valley.
Camping at Sugarloaf
You can enjoy camping year-round at Sugarloaf with 47 family-friendly, alcohol-free camping spaces nestled in a large meadow and bordered by a year-round stream and a hillside forest.
Stargazing at Robert Ferguson Observatory
Completely dedicated to public viewing and education, the Robert Ferguson Observatory is the LARGEST in the western United States and it’s right here at Sugarloaf Ridge State Park.
Community-Operated Park
Sugarloaf Ridge State Park is operated by Sonoma Ecology Center and Team Sugarloaf. Learn more by visiting the Team Sugarloaf Page
THE ECOLOGY BLOG
Learn about the many activites and impacts throughout Sonoma Valley of our lead organization, Sonoma Ecology Center.
Using Biochar to Improve Water Quality in the Bay Area
In partnership with Earth Foundries, we recently consulted on a project to sequester carbon, reduce flooding, and improve water quality in East San Jose.
Sonoma Ecology Center Begins Creek Restoration at Morton’s Warm Springs
A new partnership will improve creek health and foster wellness through connecting with nature. The first major project advancing Sonoma Ecology Center’s long-term plan to improve the health of Upper Sonoma Creek has broken ground at Morton’s Warm Springs in Kenwood.
Adobe Canyon: Gateway to Sugarloaf Ridge State Park | Adobe Canyon: Puerta de Entrada al Parque Estatal Sugarloaf Ridge
Visitors to Sugarloaf Ridge State Park enter via Adobe Canyon Road off Highway 12 in Kenwood. As they drive up the canyon to enjoy the numerous outdoor activities at the park, they pass through an area that has drawn outdoor enthusiasts and casual visitors for well over 100 years. Read more on the Ecology Blog.
A New Way to Support Sonoma Ecology Center: 10% of your Sports Basement Purchases Supports Our Work, Plus Get 10% Off
We are excited to announce that Sonoma Ecology Center is now a beneficiary of Sports Basement, with store locations in Sonoma County, the Bay Area, and Southern California. When you shop at Sports Basement and select Sonoma Ecology Center as the beneficiary, you will receive 10% off your purchase and Sonoma Ecology Center will receive 10% of the profits to fund our work.