Bay of Fundy is the New Brunswick city of Saint John. Saint John is the port city of the Bay of Fundy. The port is Canada's third largest port by tonnage with a cargo base that includes dry and liquid bulk, break bulk, containers, and cruise. Saint John is the oldest incorporated city in Canada. During the reign of George III, the municipality was created by royal charter in 1785 by a union between the former towns on each side of the harbour, Parrtown and Carleton. The New Brunswick towns of St. Andrews, Blacks Harbour, St. Martins and Sackville as well as the
Bay of Fundy throughout the tidal range of the rivers. Another phenomenon which occurs in these rivers of the upper bay is a "tidal bore", where a wave front of water "bores" its way up a river against its normal flow. The narrow and shallow river estuaries around the upper Bay of Fundy regularly produce bores when the advancing tide is slowed by shallow waters creating a build-up with a steep surge of advancing water. Tidal bores are found on the Salmon River at Truro, the Petitcodiac River at Moncton as well as on the Shubenacadie River, the St. Croix River, the Maccan