Little Bighorn River Canyon trail was originally established for the purposes of delivering mail to Bald Mountain City, a gold mining town, in the late 1800s. The trail is now primarily used by cattle ranchers, marathon runners, and fisherman. After flowing out of Wyoming and into Montana at the mouth of Little Bighorn Canyon, the entire remaining course of the Little Bighorn River and all its tributaries are within the boundaries of the Crow Indian Reservation, and access to the river is subject to the unique and confusing mixture of Montana state and Crow tribal law. Fishing within the boundaries of the Crow
Little Bighorn River battle by the History Channel. The alternative name usage in the 1800s by the Sioux, Cheyenne and Crow of "Greasy Grass" for the "Little Bighorn" is reflected in current day nomenclature at the Little Bighorn battlefield. A prominent ridge on the Little Bighorn Battlefield that overlooks the eastern banks of the Little Bighorn River has retained the name of Greasy Grass Ridge, and is the site of critical events of the battle. In Lakota, the Little Bighorn River is called . Upstream from the point where the Little Bighorn issues from the Little Horn Canyon canyon, the stream flow is