Inlet of the Atlantic Ocean, southeastern Canada Located between the provinces of New Brunswick and Nova Scotia, it extends 94 mi (151 km) inland and is 32 mi (52 km) wide at its entrance.
It is noted for its fast-running tides, which may produce rises as great as 70 ft (21 m), the highest in the world. Noted also for the spectacular rock formations and forests of its shorelines, it has several deepwater harbours, including one at St. John , N.B. In 1948 a 51,000-acre (20,700-hectare) section of the bay's New Brunswick coast was set aside as Fundy National Park.