The Fort Mojave Indian Reservation is an Indian reservation along the Colorado River, currently encompassing 23,669 acres (96 km²) in Arizona, 12,633 acres (51 km²) in California, and 5,582 acres (23 km²) in Nevada. Originally established in 1870, the reservation is home to approximately 1,100 members of the federally recognized Mohave Tribe of Native Americans.