LAKE OF THE WOODS, in British North America, forming, along with the Winnipeg River, a junction between Lake Winnipeg and Lake Superior. N. Lat. 49°, W. Long. 95°. Its length is about 60 miles, and its circumference 300 miles. It is studded with beautiful wooded islands, and its shores are very deeply indented. Its principal feeder is the Rainy River, issuing from Rainy Lake, and its principal outlet is the Winnipeg River, falling into Winnipeg Lake.