2020 Map of Lost River NE

About this map

The Milk River defines the dramatic topography of this Hill County landscape, carving a deep, winding valley through the plains just south of the international boundary. This 2020 survey illustrates the high-prairie terrain of northern Montana, where the river's path is flanked by prominent landforms such as Rattlesnake Butte and the elevated Spring Coulee Ridge. The area is characterized by a network of drainage features, most notably Spring Coulee, which feeds into the larger river system. Human activity is marked by a sparse grid of rural roads, including RD 280 N and RD 270 N, which provide access across the expansive ranchlands. The map reveals the intricate contouring of the coulees and breaks that descend toward the water, reflecting the erosive force of the river in an otherwise open, high-altitude environment.