While portions of Annadel State Park burned during the Nuns Fires of October 2017, all designated trails have now been reopened. Please visit the official park website for the most current closure information.
A very popular 5,200 acre park with over 40 miles of interconnected trails, including an 8 ½ -mile section of the Bay Area Ridge Trail, popular with hikers, mountain bikers, and equestrians. Great views of the Santa Rosa Plain and the Sonoma Valley and direct access to the adjacent Spring Lake Regional Park and Howarth Park. Camping is not allowed in the park, but fishing is at the 26-acre Lake Ilsanjo. Enjoy birding at Ledson Marsh, where 130 different bird species live or visit seasonally.
Forest, oak trees, volcanic rocks, basalt, streams, riparian woodland, manzanita trees, lake, marsh, views, grasslands, meadows, wildflowers
Dogs are not allowed on trails. Dogs on leash are allowed only on Channel Drive (paved road) within the park boundaries.
Please note! Due to the COVID-19 health emergency, Sonoma County's health officer has ordered limited access to parks. These restrictions are ordered to slow community transmission of the virus and support shelter-in-place directives. Check the official websites for the latest restrictions or closure information for the park you are interested in. Dismiss