HD 450 covers the upper Missouri River corridor and the surrounding mountain foothills between Townsend and Three Forks—a landscape where broad river valleys, irrigated ranch land, and timbered mountain fringes converge. Elevations range from about 3,800 feet on the Missouri River to 7,500 feet on the surrounding mountain ridges. The valley floor is hay meadows, cottonwood-lined river bottoms, and sage-covered benches. The Big Belt Mountains rise to the east, the Elkhorn Mountains to the south, and the Bridger Range to the southeast. Whitetail deer are excellent in the river bottoms and agricultural edges. Mule deer work the sage-and-timber foothills, and elk inhabit the timbered mountain fringes. Pronghorn use the open sage flats between the mountain ranges. Land ownership is predominantly private ranch land in the valleys, with state trust sections, BLM, and Helena-Lewis and Clark NF on the mountain fringes. US-287 and I-90 provide the main access corridors. Townsend, Three Forks, and Whitehall are the service towns. Cell service is good along the highways. The river-bottom whitetail hunting here is some of the best in southwestern Montana—the combination of irrigated agriculture, cottonwood cover, and river-edge habitat grows big whitetail bucks. Block management is the key to accessing private ground, and this area has excellent block management options. The mountain fringes offer public-land elk and mule deer hunting without extreme terrain. This is practical, accessible hunting country where knowledge of the land ownership and landowner relationships matter more than peak physical fitness. HD 450 (upper Missouri River / Townsend-Three Forks) is practical, accessible hunting country where knowledge of land ownership and landowner relationships matter more than peak physical fitness. General elk tags are available OTC for residents. Land ownership is predominantly private ranch land in the valleys, with state trust, BLM, and Helena-Lewis and Clark NF on the mountain fringes. Block Management is the key to accessing private ground — this area has excellent Block Management options with multiple enrolled ranches. The river-bottom whitetail hunting is some of the best in southwestern Montana — the combination of irrigated agriculture, cottonwood cover, and river-edge habitat grows big whitetail bucks. Bull-to-cow ratios for elk are moderate on the mountain fringes. Pronghorn use the open sage flats between the mountain ranges. No designated wilderness exists. The mountain fringes offer public-land elk and mule deer hunting without extreme terrain. Townsend, Three Forks, and Whitehall are practical service towns on the highway corridors.