• Tolay Lake Regional Park bay view 1900

    Explore Sonoma County's largest park, now open daily 

  • Horseback riders at Tolay Lake 1900

    Explore Sonoma County's largest park, now open daily 

  • Spring Lake runners with fall foliage 1900

    Enjoy the colors of fall 

  • Stillwater Cove trail 1900

    Hike in the shade of coastal redwoods

  • Two children taking a nature walk at Spring Lake 1900

    Connect with nature on a family hike

  • Gualala Point Regional Park whale watchers 1900

    Discover the Sonoma Coast

Cyclists riding along Santa Rosa Creek Trail

Play More, Pay Less

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

Spring Lake family canoeing

Ballot Measure for Regional, City Parks

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.

Learn more

Tolay sunrise on East Ridge

Tolay Lake Regional Park is Open Daily

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. 

Learn more

Tolay goats

Your Guide to Fall Fun

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

  • Tomorrow: November 17, 2018 from 1:00 4:00 PM

    Spring Lake Regional Park - Environmental Discovery Center
    Explore the park in your own backyard while learning about the plants and animals of Spring Lake Park and our community. 

  • More Events

Latest News

  • Published on November 2, 2018

    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.

  • Published on September 1, 2018

    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.