Southampton Island, c.15,700 sq mi (40,700 sq km), Nunavut Territory, Canada, at the entrance to Hudson Bay. It is separated from the mainland by Ross Welcome Sound and Frozen Strait. With lowlands in the west, the tundra-covered island rises to c.2,000 ft (610 m) in the east. Coral Harbour, a trading post and airfield, is at the head of South Bay.
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