Bruce Peninsula National Park is a national park on the Bruce Peninsula in Ontario, Canada. Located on a part of the Niagara Escarpment, the park comprises 156 square kilometres and is one of the largest protected areas in southern Ontario, forming the core of UNESCO's Niagara Escarpment World Biosphere Reserve. It was established in 1987 to protect the rock formations and shoreline of the Niagara Escarpment.