French fort on Ile-aux-Noix in Richelieu river (so named by Champlain in 1609 on his discovery of lake Champlain) 12 miles below outlet of lake Champlain. First fort was built 1759 by General Bourlamaque after the surrender of Fort Carillon (Ticonderoga) and St. Frédérick (Crown Point). It was surrendered to the English 25 August 1759 and afterwards rebuilt by them and named Fort Lennox (q.v.). This fort was captured by the Americans in 1775.