Based on the latest information available, the Old Highway Island Park boat ramp in Idaho is a concrete boat ramp that is approximately 16 feet wide. This boat ramp serves the Henry's Fork of the Snake River, which is a popular location for fly fishing and recreational boating. The river is open to a variety of watercraft, including motorized boats, canoes, kayaks, and rafts. Visitors can also enjoy activities such as hiking, camping, and wildlife viewing in the surrounding area. It is important to note that regulations and restrictions may apply, so it is recommended to check with local authorities before planning a trip to this location.