The Fort Peck Tribes are a group of Native American tribes located in northeastern Montana. They are composed of two main tribes: the Assiniboine and the Sioux. The Fort Peck Indian Reservation, established in 1888, covers over 2 million acres and is home to a diverse community that engages in various economic activities, including agriculture and tourism. The tribes have a rich cultural heritage, with traditions that include storytelling, music, and dance. They actively work to preserve their languages and customs while also participating in modern governance and economic development. The Fort Peck Tribes are recognized by the federal government and play a significant role in regional affairs.