Nestled in the beautiful coastal foothills of Sonoma County, California, Lake Sonoma is surrounded by world famous vineyards and land that is rich in history. Created by the construction of Warm Springs Dam in 1983, the lake provides for flood control, irrigation and recreation. When full, the lake has a surface area of more than 2,700 acres and 50 miles of shoreline, forming the perfect setting for a wealth of recreational activities.