The Campground Road boat ramp in Au Train Township, Michigan is a concrete ramp that provides access to Au Train Bay, which is a body of water connected to Lake Superior. The boat ramp is approximately 16 feet wide, providing ample space for launching and retrieving boats of various sizes. According to the latest information available, the boat ramp is open to all types of watercraft, including motorized boats, canoes, kayaks, and paddleboards. It is important to note that the regulations and permitted watercraft may be subject to change, so it is recommended to double-check with local authorities before launching any watercraft.