What is the largest freshwater lake in the United States by area?

The largest freshwater lake in the United States by area is Lake Superior. It is one of the five Great Lakes and is shared by the U.S. states of Minnesota, Wisconsin, and Michigan, as well as Canada. Lake Superior has a surface area of 31,700 square miles, making it the largest of the Great Lakes and the largest freshwater lake by area in the world. It is known for its clear, cold waters and rugged shoreline, as well as its significant role in regional trade and transport.