2020 Map of Middle Eighth Coulee

About this map

Fort Peck Lake dominates the southern portion of this landscape, its intricate shoreline forming deep inlets such as Eighth Coulee Bay. This corner of Valley County is defined by a repetitive system of ridges and coulees that drain toward the reservoir, reflecting a highly dissected terrain where water management is critical for local utility. Scattered upland water sources like Tiger Reservoir, Magruder Reservoir, and Stebley Reservoir are perched among the higher elevations, suggesting the importance of these catchments in a region where natural drainage is often intermittent. The topographic naming convention follows a sequential pattern, including Seventh Ridge and Sixth Ridge, while Graveyard Hill stands as a notable landmark overlooking the western reaches of the Upper Eighth Coulee.