2017 Map of Ross Canyon

About this map

Gallatin National Forest dominates the southern reaches of this landscape, where the terrain rises sharply toward Red Mtn. This 2017 survey by the U.S. Geological Survey details the complex drainage patterns of the Upper Deer Cr and the Boulder River, the latter crossed by the Eightmile Bridge in the northwest. The area is defined by its deep, named ravines and ridges, illustrating a transition from the level McKenzie Flats to the more varied topography of Ross Canyon and Baker Canyon. Local history is embedded in the descriptive names of the gulches, such as Sawmill Gulch, Dead Horse Gulch, and Tomato Can Gulch, which often reflect the early cattle ranching and logging operations that once operated in these foothills. A network of rural routes, including Old Boulder Rd and Slide Rock Road, provides the primary access through this corner of Sweet Grass County.