Flathead Lake, MT 3D Nautical Wood ChartExplore the natural beauty and rich history of Montanas Flathead Lake with this well crafted 3D Wood Chart. Nestled in the northwest region of the state, Flathead Lake is the largest natural freshwater lake west of the Mississippi, stretching over 28 miles in length and 15 miles in width. The lakes crystal clear waters are fed by the Swan and Flathead Rivers, and it sits at the base of the magnificent Rocky Mountains, providing breathtaking views and