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  • Hood Mountain Regional Park hikers by Ed Kent

Hood Mountain Regional Park and Open Space Preserve

3000 Los Alamos Road, Santa Rosa
1450 Pythian Road, Santa Rosa
  • Backpacking
  • Biking
  • Birding
  • Camping
  • Equestrian Trails
  • Hiking & Walking Trails
  • Picnic Area

Park Closure

Due to the impact of the Sonoma County wildfires, Hood Mountain Regional Park is closed. We are assessing the park's condition and we will update this status accordingly.

Hood Mountain Regional Park & Preserve is a 1,750-acre wilderness park on the edge of the Sonoma Valley, about 5 miles southeast of Santa Rosa. The park offers 19 miles of trails for hikers, mountain bikers, and equestrians and features the only public backpacking sites in the valley. 

At 2,730 feet, Hood Mountain is the highest peak in the Mayacamas Mountains separating the Sonoma and Napa valleys. Its Gunsight Rock outcropping above Highway 12 offers stunning views of the Sonoma Valley and Bay Area landmarks beyond. 

Hood Mountain's features also include a pygmy forest, the headwaters of Santa Rosa Creek, and trail connections to adjacent Sugarloaf Ridge State Park. Many of Hood Mountain's trails are considered strenuous and are for hikers in good physical condition.


Environmental campsites are available in remote settings reached by hiking approximately 2 miles from Hood Mountain's parking areas. 


Hood Mountain Regional Park contains 19 miles of trails, the most extensive trail system within the Sonoma County Regional Parks system. 

North Entrance

Access to the northwest portion of the park is through Los Alamos Road, a winding and narrow road. RV's and vehicles with trailers should use extreme caution on this road, especially in winter. The park's Los Alamos driveway was reconstructed and reopened several years ago. 

Get Directions: 3000 Los Alamos Road, Santa Rosa

Southwest Entrance

Access to the southeast portion of the park is via Pythian Road, with the main trailhead parking 1.3 miles up the north side of Pythian Road. Parking for horse trailers is.5 miles up Pythian Road, in a lot on Eliza Way. 

Get Directions: 1450 Pythian Road, Santa Rosa

Park Information

Hood Mountain Regional Park


7:00 a.m. to sunset

Allowed on leash 


$7 or free for members

North Entrance

3000 Los Alamos Road

Santa Rosa, CA 95409
38.4893675, -122.5979782

South Entrance

1450 Pythian Road

Santa Rosa, CA 95409
38.45192222, -122.5741331
Reserve a campsite

Park Map


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