Madison Buffalo Jump State Park is a Montana state park in Gallatin County, Montana in the United States. The park is 638 acres (258 ha) and sits at an elevation of 4,554 feet (1,388 m). The park is named for a canyon cliff used by Native Americans as a buffalo jump, where herds of bison were stampeded over the cliff as an efficient means of slaughter. Madison Buffalo Jump State Park is a day use-only park. It is open year-round for hiking, wildlife observation, and some picnicking.