Annapolis, river, c.75 mi (120 km) long, rising in W Nova Scotia, Canada, and flowing SW past Annapolis Royal to Annapolis Basin, an arm of the Bay of Fundy. The entrance to the basin, bordered by cliffs 500 ft (152 m) high, is known as Digby Gut. It is the site of a prototype tidal power station. The Annapolis lowlands, an important agricultural area, was the site of Nova Scotia's first successful farming colony.
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