Hurlbut Memorial Gate is a monumental structure, 132 ft (40 m) long, 50 ft (15 m) high, and 40 ft (12 m) in depth, at the entry way to Water Works Park located at East Jefferson Avenue and Cadillac Boulevard in a historic area of Detroit, Michigan. It is named after Chauncey (sometimes "Chauncy") Hurlbut, a 19th-century Detroit grocer, president of the Board of Water Commissioners, and philanthropist. The gate was designated a Michigan State Historic Site in 1974 and listed on the National Register of Historic Places in 1975. The monument was built in 1894 and fully restored in 2007.