The Walker Tavern is a historic structure located at 11710 U.S. Route 12 in Cambridge Township in northwesternmost Lenawee County, Michigan. It was designated as a Michigan Historic Site on February 19, 1958, and was later the county's first property added to the National Register of Historic Places on January 25, 1971. The structure was incorporated into the Cambridge Junction Historic State Park and continues to serve as a museum and venue for various events.