Saint John River (Bay of Fundy) Saint John River (Bay of Fundy) The Saint John River (; Maliseet: "Wolastoq") is a river, approximately long, located principally in the Canadian province of New Brunswick, but also in and arising from three primary sources in the province of Quebec and the U.S. state of Maine. It forms part of the Canada–United States border in two different stretches along its length. The river drains an area of approximately , of which slightly more than half is located in New Brunswick. Along that portion of the Atlantic shoreline of North America that lies between the St. Lawrence River and the
Bay of Fundy time from one high tide to the next. During the 12.4-hour tidal period, 115 billion tonnes of water flow in and out of the bay. According to the Canadian Hydrographic Service, there is a tidal range in Leaf Basin for Ungava Bay and at Burntcoat Head for the Bay of Fundy. The range at Leaf Basin is higher on average than at Minas Basin; however, the highest recorded tidal ranges ever measured are at Burntcoat Head and result from spring tides measured at the peak of the tidal cycle, which occurs every 18 years. The highest water level ever recorded