Description: Kanadesaga was built in 1756, in Ontario County, in Geneva, at the foot of Seneca Lake. The fortification featured four walls each one hundred feet in length, which stood fifteen feet high, and boasted two fifteen-foot square-shaped blockhouses at the diagonals. Built for the Native American settlement of Kanadesaga, which served as a hub of the Seneca tribe. The fort was destroyed in 1779, during the American Revolution.