Wind River Indian Reservation is an
Indian reservation made for the
Eastern Shoshone tribe of
Native Americans in the central western portion of the
U.S. state of
Wyoming. It is the
seventh-largest Indian reservation by area in the United States, encompassing a land area of 3,473.272 sq mi (8,995.733 km²), or land and water area of 3,532.010 sq mi (9,147.864 km²), encompassing just over one-third of
Fremont County and over one-fifth of
Hot Springs County. The reservation is located in the
Wind River Basin, and is surrounded by the
Wind River Mountain Range,
Owl Creek Mountains, and the
Absaroka Mountains. The
2000 census reported a population of 40,237 inhabitants. The largest town is
Riverton. Headquarters are at
Fort Washakie. Also home to the Wind River Casino, Little Wind Casino, 789 Smoke Shop & Casino (all Northern Arapaho) and the Shoshone Rose Casino (Eastern Shoshone), which are the only casinos in Wyoming.