Based on available information, the boat ramp named Yellowstone Lake - Access at West Nr Waterfowl Area in Wisconsin is a concrete boat ramp that is approximately 16 feet wide. This boat ramp provides access to Yellowstone Lake, which is a popular fishing and recreational area located in Lafayette County.

Boats of various types and sizes are permitted on Yellowstone Lake, including canoes, kayaks, pontoons, and motorized watercraft. However, it is important to note that certain restrictions and regulations may apply depending on the type of craft and the activities being conducted on the water.

As of the latest available information, visitors can expect to find ample parking at the West Nr Waterfowl Area boat ramp, as well as other amenities such as restrooms and picnic areas. It is always a good idea to check for any updates or changes to rules and regulations before visiting any public access point or recreational area.