Oka National Park (Parc national d'Oka) is a small provincially administered park, located within the village of Oka and between Pointe-Calumet on one side and Saint-Placide on the other side. on the north shore of Lac des Deux Montagnes in Quebec, Canada. The Park is home to one of the largest heronries in Quebec and the historical site of Calvaire d'Oka shrine which dates from 1740.