The boat ramp named Mississippi River - Ambro Access (DNR) is a concrete boat ramp located in Allamakee County, Iowa. It is approximately 20 feet wide and offers a gradual slope for easy access to the water. The ramp services the Mississippi River, which is a major waterway that flows through multiple states in the United States. The Mississippi River is open to a variety of watercraft, including boats, pontoons, kayaks, and canoes. The latest information available from the Iowa Department of Natural Resources confirms these details.