The Joseph N. Nicollet Tower in Sisseton climbs 75 feet above the Coteau des Prairies and offers views of three states.
The tower was built as a tribute to Joseph Nicollet, a French cartographer who explored and mapped the Coteau des Prairies for the U.S. Topographical Corps in the 1830s.
Anyone is free to climb the tower from sunrise to sunset year-round. An Interpretive Center at the base of the tower is open 10 a.m. - 5 p.m. from mid-May to mid-October.