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This 320-acre park features camping, fishing, picnic areas with barbecues, and four group picnic areas. Trails are available for walking, hiking, bicycling and horseback riding. The park also includes a 3-acre swimming lagoon and a 72-acre lake. Don't forget to visit the Environmental Discovery Center at Spring Lake for a wonderful educational experience for all ages. Although dogs are allowed within both Spring Lake and Howarth Park, they are not allowed at the swimming lagoon or within Trione-Annadel State Park. Please follow all dog leash laws while visiting the parks.
Get a parks membership and save money on the daily use fee for each vehicle. 100% of the purchase price goes back to Regional Parks to help us protect these beautiful parks for generations to come. Information about a parks membership can be found at sonomacountyparks.org or call (707) 565-2041.
Popular Trails to Explore
- Spring Lake Loop: 2.3 miles
- Newanga Entry to Boat Launch: 0.8 miles
- Fishermans Trail:.47 miles
- South Dam to Jack Rabbit:.43 miles
- Horse Loop Trail: 2.6 miles
- Kerfoot Trail to Howarth Parking:.15 miles