The Sparre Barn is a round barn in the city of Nowthen, Minnesota, United States. The barn is located on the west shore of Bass Lake. The basement is constructed of red tile, and the upper level of the barn is sheathed with shiplap siding. The interior space contains a circle of stanchions for feeding cattle, while the upper level has storage for feed and equipment.The barn was built between 1917 and 1924.