• 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 the season

  • Stillwater Cove trail 1900

    Hike among coastal redwoods

  • Two children taking a nature walk at Spring Lake 1900

    Connect with nature on a family hike

Laguna de Santa Rosa Trail in January

New Year, New Members

Did you get a Regional Parks membership as a holiday gift? Activate your membership online to start exploring the parks in 2019 with free parking and other member benefits.

Become a member

Bajo Las Estrellas program

Connecting Families, Communities to Parks

Our Spanish-language programs like "Nuestros Parques" and "Bajo Las Estrellas" support efforts to make parks accessible and welcoming. This video shows why we love hosting these hikes and camping trips.

Watch the video

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

Whale Watching at Gualala Point Regional Park

Your Guide to Winter Fun

Download our winter activities guide and join dozens of outings - trail running, birding, history hikes, coastal crabbing, and a family bike day.

Get your activities guide

  • When: February 23, 2019 from 10:00 11:30 AM

    Foothill Regional Park
    Ready to tread the trail to experience the many health benefits of outdoor exercise? Winter is the perfect time to join friends on 2-3.5 mile runs on mostly level terrain. 

  • More Events

Latest News

  • Published on February 6, 2019
    Sonoma County Regional Parks and the California Department of Forestry and Fire Protection (CAL FIRE), Sonoma-Lake-Napa Unit will begin burning brush piles at Shiloh Ranch Regional Park in southeast Windsor on Sunday, Feb. 10. The pile burn is the first of several to be conducted in the park this month and possibly into the spring, to create a fire break along a wooded boundary the park shares with the Mayacama homeowners. The park will remain open during burning operations.
  • Published on January 7, 2019

    One of the best things about living in Sonoma County is the moderate weather. Except for days with heavy rains, hiking here can be a year-round pleasure. From the Sonoma Valley to Sonoma Coast, here are some of our favorite winter hikes.

  • Published on December 5, 2018

    Ag + Open Space in late November 2018 transferred the suite of parcels to us, and we will now begin the multi-year process of planning for a permanent park opening. In the meantime, we'll host regular "park preview" days in 2019.