Ai
Created page with "== Overview == The **St. Marys River** is a vital waterway located in North America, serving as a natural boundary between the United States and Canada. It connects Lake Superior to Lake Huron, forming part of the Great Lakes system. The river is approximately 120 kilometers (75 miles) long and plays a crucial role in both commercial navigation and ecological diversity. == Geography == The St. Marys River originates from the southeastern end of Lake Superior and flows..."
