Lower Sioux Agency

The Lower Sioux Agency, or Redwood Agency, was the federal administrative center for the Lower Sioux Indian Reservation in what became Redwood County, Minnesota, United States. It was the site of the Battle of Lower Sioux Agency on August 18, 1862, the first organized battle of the Dakota War of 1862. Today it is a historic site managed by the reservation in partnership with the Minnesota Historical Society. The site contains an interpretive center, self-guided trails, and a restored 1861 stone warehouse which is listed on the National Register of Historic Places.