Based on the latest information available, the County Road S70 boat ramp in Appanoose County, Iowa is a concrete ramp that is 24 feet wide. It provides access to the Rathbun Lake, a 11,000-acre reservoir located in southern Iowa. The ramp is primarily used for recreational boating activities, including fishing, water skiing, and pleasure boating. All types of boats and watercraft are permitted on the lake, including motorized boats, kayaks, canoes, and sailboats. The ramp is operated and maintained by the Iowa Department of Natural Resources, and fees may be required for its use. Get driving directions.