The Pine Ridge Indian Reservation is a Native American reservation that encompasses Oglala Lakota County, the southern half of Jackson County, and the northwest portion of Bennett County in southwestern South Dakota. It is the eighth-largest reservation in the United States.
The reservation has been the location of some of the most significant events in Lakota history. Home to the Oglala Lakota people, it consists of 3,468.86 square miles. The city of Pine Ridge is located in the far south portion of the reservation