Rainy Lake, c.345 sq mi (890 sq km), on the U.S.-Canada border in N Minn. and W Ont. The lake, irregular in shape and dotted with islands, is located in rough woodlands. Its outlet, Rainy River (c.85 mi/140 km long), flows westerly along the international border to Lake of the Woods, passing International Falls (site of a power plant) and Baudette, Minn.
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