 The city, which is located on the Mississippi River, is named after Jesuit missionary Jacques Marquette, who along with Louis Joliet discovered the Mississippi River just southeast of the city on June 17, 1673.Marquette is located directly across from Prairie du Chien, Wisconsin, and the two cities are connected by U.S. Route 18, which crosses the river on the Marquette-Joliet Bridge.Effigy Mounds National Monument and the Yellow River State Forest are a few miles to the north.