1986 Map of Three Rivers Peak

About this map

Three Rivers Peak serves as a hydrologic focal point in this 1980s landscape, where the headwaters of the Gallatin River and several significant creeks begin their descent through Yellowstone National Park. The map documents a wilderness dominated by dramatic elevations and high-altitude drainage systems, including the basin of Gallatin Lake and the long spine of Crowfoot Ridge. This area illustrates the complex topography of the park's northwestern interior, where numerous watercourses like Gneiss Creek, Grayling Creek, and Maple Creek carve through the high country. For those studying the geography of the park before modern digital mapping, these provisional surveys provide precise detail on the locations of named landmarks such as Bighorn Pass and The Crags, as well as the intricate network of trails and ridges that define this portion of the Gallatin Range.