2024 Map of Regal Coulee

About this map

The Larb Hills rise above a deeply dissected landscape defined by an intricate network of intermittent drainages. Water is the primary architect of this terrain, where Thomas Coulee, Gilbertson Coulee, and Crooks Coulee carve through the northern reaches. The central portion of the map is dominated by the namesake Regal Coulee, with the presence of Regal Springs and the Converse Reservoir indicating the critical importance of water management in this arid stretch of Phillips County. In the southern half, the land remains largely open, with infrastructure limited to a few secondary routes like Beaver Creek Rd. The drainage patterns, including the evocatively named Dead Horse Coulee and Lost Coulee, suggest a landscape shaped by seasonal runoff and long-term erosion, typical of the high plains of northeastern Montana.