Kupreanof Island
Island in Alaska
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Kupreanof Island is an island in the Alexander Archipelago in southeastern Alaska. The island is 84 km long and 32 km wide with a total land area is 2,802.84 km², making it the 13th largest island in the United States and the 170th largest island... Wikipedia
Borough/Census Area: Petersburg and Prince of Wales–Hyder
Coordinates: 56°47′34″N 133°29′49″W / 56.79278°N 133.49694°W
Highest elevation: 3,900 ft (1190 m)
Highest point: Sherman Peak