Getting there: From River Road in Guerneville, drive 5 miles north on Armstrong Woods Road to the park entrance.
Reference: The Hiker's Hip Pocket Guide to the Sonoma Coast, by Bob Lorentzen. Bored Feet Publications, (888) 336-6199.
Added value: Go for a horseback ride with the park's horse outfitters, (707) 887-2939; www.metro.net/ayers. Or canoe the nearby Russian River, (800) 640-1386; www.trowbridgecanoe.com.
Contact: Armstrong Redwoods/Austin Creek State Recreation Area, (707) 869-2015; www.mcn.org/1/rrparks/parks/austinc.htm.