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
St. Marys Bay, Nova Scotia of water have shaped life on Digby Neck in several ways. Their tides are among the highest in the world, spanning 50 feet (16 metres) in places. The rich and varied flora and fauna of the bays are a result of this tidal action. Regularly exposed swaths of wet ocean floor create a special environment for the species that inhabit these regions. Tidal action also causes a stirring up of the water, allowing whales to feed easily on agitated plankton. This is one reason why the Bay of Fundy is world-renowned for its whale watching trips. Shipbuilding, once an economic