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 the main body of the bay. The channel is across and approximately deep. The tides that flow through the channel are very powerful. They are as powerful as 8,000 train engines or 25 million horses. Facing Cape Split at the entrance to the Minas Channel are the basalt cliffs of Cape d'Or. The lower part of the bay is also home to four important sub-basins: Passamaquoddy Bay and Back Bay on the New Brunswick shore, Cobscook Bay on the Maine shore, and the Annapolis Basin on the Nova Scotia shore. The bay is home to several islands, the largest of