The Annapolis Basin is a sub-basin of the Bay of Fundy, located on the bay's southeastern shores, along the northwestern shore of Nova Scotia and at the western end of the Annapolis Valley. The basin takes its name from the Annapolis River, which drains into its eastern end at the town of Annapolis Royal. The basin measures approximately 24 kilometres n…The Annapolis Basin is a sub-basin of the Bay of Fundy, located on the bay's southeastern shores, along the northwestern shore of Nova Scotia and at the western end of the Annapolis Valley. The basin takes its name from the Annapolis River, which drains into its eastern end at the town of Annapolis Royal. The basin measures approximately 24 kilometres northeast-southwest and 6 kilometres at its widest from northwest to southeast.