Port Colborne

City, regional municipality of Niagara, southeastern Ontario, Canada. It lies a few miles south of Welland on the north shore of Lake Erie at the upper entrance of the Welland Ship Canal and opposite Humberstone Lock; at 1,381 feet (421 m) long it is one of the world's largest lift locks. The first settlement of 1832 was known as Gravelly Bay; it was later renamed in honour of Sir John Colborne,