CO Bighorn Sheep Unit S57 — BIG THOMPSON CANYON

CO S57 – BIG THOMPSON CANYON. Terrain & Access S57 spans 348,751 acres across Big Thompson Canyon country, with elevation climbing from roughly 4,900 feet to over 11,200 feet. The unit sits 44.6% public land, offering a mix of accessible lower-elevation terrain and higher ridgeline country. This elevation diversity creates distinct hunting corridors—lower canyon sections contrast sharply with alpine and subalpine zones above timberline. Access varies by drainage; some public parcels connect to roaded entry points, while others require foot travel into backcountry. Terrain is steep and technical throughout much of the unit, particularly at higher elevations where..