The largest body of freshwater by surface area is Lake Superior, located in North America. It borders the United States and Canada and is part of the Great Lakes system. Lake Superior covers an area of approximately 31,700 square miles (82,100 square kilometers), making it not only vast but also one of the most significant freshwater lakes in the world. It is renowned for its clear waters, diverse ecosystems, and its role in shipping, recreation, and natural resources in the region.