Plan on at least a full day. Consider an overnight stay if you want to enjoy some Sonoma/Glen Ellen hospitality. If you hike all 15 miles in the park, you'll need a rest.
Location: About 10 miles north of Sonoma, Calif., on Arnold Drive, which parallels Highway 12.
Hours/seasons: The museum in the House of Happy Walls is open from 10 a.m. to 5 p.m. daily, except holidays. Seasonal park hours are posted.
Cost: Free after $6 parking fee
Activity options: Hiking, biking or horseback riding in season.
Camping: Available right across the road at Sonoma Valley Regional Park.
Information: 707-938-5216 or www.parks.ca.gov and click on the park name. The park brochure is available on a downloadable PDF.
Extras: Rent bikes at Sonoma Valley Cyclery: 707-935-3377. There's lodging just down the hill at the Jack London Lodge: 707-938-8510, and dining at the Wolf House Restaurant: www.jacklondonlodge.com.