Montana is home to some of the most beautiful and serene lakes in the United States. From the crystal clear waters of Flathead Lake to the deep, dark waters of Lake Koocanusa, Montana is home to an array of stunning lakes. With over 3,000 lakes, Montana is a paradise for anglers, boaters, and anyone looking for a peaceful escape. This page is a comprehensive guide to all of the lakes in Montana, including the top five most popular lakes: Flathead Lake, Lake Koocanusa, Whitefish Lake, Seeley Lake, and Swan Lake.