Helen Putnam Regional Park is a regional park southwest of Petaluma, California, which is maintained by the Sonoma County Regional Parks Department. It covers an area of 216 acre. The park entrance is at 411 Chileno Valley Road.

History

The park is named after Helen Putnam, a former teacher who was the first female mayor of Petaluma, serving from 1966 to 1978, and the second female member of the Sonoma County Board of Supervisors. The park's official dedication took place in 1985.

Facilities and features

The park features numerous trails suitable for hiking, bicycling, and horseback riding. The trails include a segment of the Bay Area Ridge Trail. The main parking lot at 411 Chileno Valley Road has 37 spaces, including spaces for handicapped and equestrian users. There is a gazebo, a picnic area, and a children's playground near the parking area, and a pond stocked with bluegill. Another parking lot was opened in 2021 at 373 Windsor Drive, at the West Wind Trailhead. It has 31 parking spaces and bike parking.