Parc Montmorency is a park located in Quebec City and home to Parliaments of Lower Canada, Canada East and Quebec from 1791 to 1883. It is named for Henri II, Duke of Montmorency, the viceroy of New France, 1619–1625, under the French king, Louis XIII.
The site sits above the St. Lawrence River and bounded by Côte de la Montagne and Rue Port Dauphin. The last building was demolished in 1883 and in 1894 city opened it as Parc Frontenac.
The park is partially covered by trees with walkways and signs describing the historical importance of the site.
In 1949 the park was recognized as a national historic site.