The Blackwell Island Recreation Site boat ramp is a concrete boat ramp that is approximately 28 feet wide. It services the Spokane River in northern Idaho. The river is popular for recreational activities such as boating, fishing, and swimming. The site is managed by the Idaho Department of Parks and Recreation and is open from May 1 to September 30 each year. All types of watercraft are permitted on the river, including motorized boats, canoes, kayaks, and paddleboards. It is important to note that the regulations regarding watercraft may change, so it is recommended to check the latest information from the Idaho Department of Parks and Recreation before heading out to Blackwell Island Recreation Site. Get driving directions.