Chicago Portage National Historic Site

The Chicago Portage National Historic Site is a National Historic Site in Lyons, Cook County, Illinois, United States. It is located in Chicago Portage Forest Preserve, at the junction of Portage Creek with the Des Plaines River, on the west side of Harlem Avenue on the line of 48th Street. Preserved within the park is the western end of the historic portage linking the Chicago River to the Des Plaines River, thereby linking the Great Lakes to the Mississippi River. A memorial depicting the portage of the French explorers is located at the parking area. A trail leads from the memorial down into the portage wilderness area.
The site commemorates the Chicago Portage first written about and used by French explorers Father Marquette and Louis Joliet during their exploration of the area between Lake Michigan and the Mississippi River. The portage crossed what was known as Mud Lake, which could be wet, swampy, frozen, or dry, depending on the season, and which has since been...