The Sisseton-Wahpeton Oyate Dakotah Language Institute is a program of the Sisseton-Wahpeton Oyate (SWO) a 14,000 member tribe of Dakota (formerly known worldwide as the “Sioux”).   The people of the Sisseton-Wahpeton Oyate inhabit the Lake Traverse Reservation located primarily in Northeast South Dakota and into Southeast North Dakota.   The institute has a sole focus of the revitalization and preservation of our heritage language, Dakotah.

Visit Our Mazopiya (store) to see our many publications created to teach the Dakotah Language!!!!