Fort Richelieu
Fort Richelieu is a historic fort in La Vallée-du-Richelieu [Regional County Municipality, Quebec], Canada. The fort is designated as a National [Historic Sites of Canada|National Historic Site of Canada]. Fort Richelieu was part of a series of five forts built along the Richelieu River and is at the mouth of the Richelieu River. Fort Chambly formerly known as Fort St. Louis at Chambly, Fort Sainte-Thérèse, and Fort Saint-Jean at Saint-Jean-sur-Richelieu, are on the way. Fort [Sainte Anne (Vermont)] on Isle [La Motte, Vermont] in Lake Champlain is near its source. The forts were built in order to protect travellers on the river from the Iroquois. The region is informally known as la Vallée-des-Forts.