Great River Bluffs State Park is a state park of Minnesota, United States, on the Mississippi River southeast of Winona. Originally known as O. L. Kipp State Park, it was renamed in the late 1990s to describe better its resources. The park preserves steep-sided bluffs rising 500 feet (150 m) above the river and the narrow valleys between them, which support rare and fragile plant communities. Two of the bluffs have received further protection as King's and Queen's Bluff State Natural Area.