This Sonoma Ridge Trail is a portion of the Bay Area Ridge Trail and is about 7 miles out and back through woods above Jack London's ranch. Take Mountain Trail to access the Ridge Trail junction about 3 miles from the park, mostly uphill.
Distance, category, and difficulty:
This 7 mile out and back hike is moderate, with about 1500 feet in elevation change. Park elevation ranges from about 400 to nearly 2400 feet. The featured hike starts at the Beauty Ranch parking lot, at about 700 feet and climbs to 2100 feet, then descends back to the trailhead. Elevation changes are mostly gentle, with numerous switchbacks, but this is a long hike.
Exposure: More shade than sun.
Trail traffic: Moderate around trailhead, light farther afield. Horses and bikes are allowed. Dogs are not allowed on any back country trails in the park.
Trail surfaces: Dirt trail (Ridge Trail) and fire road (Lake Trail and Mountain Trail).
Hiking time: 4 hours, on horseback about 2.5
Season: Nice trail year round; prettiest in early spring due to wildflowers and butterflies.