Explore Sonoma County's largest park, now open daily
Enjoy the colors of fall
Hike in the shade of coastal redwoods
Connect with nature on a family hike
Discover the Sonoma Coast
An annual membership is the easiest, most affordable way to regularly enjoy Sonoma County's Regional Parks. Members get free parking, a free night of camping and other benefits.
Become a member
Sonoma County voters on Nov. 6 approved a dedicated source of funding for regional and city parks. Measure M, a 1/8-cent sales tax for parks, was supported by 70 percent of voters.
Sonoma County's largest park is now open from 7 a.m. to sunset every day. Plan a visit to this unique, 3,400-acre park southeast of Petaluma.
Download our fall activities guide and join dozens of new outings - nature photography, yoga on the beach, history hikes, and farm visits.
Get your activities guide
Maxwell Farms Regional ParkDo you need to unwind after your workday or release stress? Join us for this rejuvenating yoga practice in nature and flow into your evening relaxed and refreshed.
Maddux Ranch Regional Park - Larkfield Community GardenEnjoy the harvest season and get your hands dirty! Bring your family to build a healthy community together at our volunteer workdays. The first Saturdays focus on land stewardship, and the third Saturdays focus on biodynamic gardening.
Tolay Lake Regional Park offers more than 11 miles of trails, including an extension of the West Ridge Trail that leads to a portion of the park that’s been largely inaccessible until now.
We strive to make Sonoma County’s parks accessible and welcoming. One way we do that is through our Spanish-language community engagement programs like "Nuestros Parques" and "Bajo Las Estrellas." This video shows why we love hosting these hikes and camping trips.
Sonoma County’s Regional Parks have a wide selection of trails to choose from: 150 miles of trails to be exact. What goes into making a good trail? More than meets the eye.