Sumner Strait is a strait in the Alexander Archipelago in the southeastern region of the U.S. state of Alaska. It is about 80 miles long and 10 miles wide, extending from the mouth of the Stikine River to Iphigenia Bay on the Gulf of Alaska, separating Mitkof Island, Kupreanof Island, and Kuiu Island on the north from Zarembo Island and Prince of Wales Island on the …
Sumner Strait is a strait in the Alexander Archipelago in the southeastern region of the U.S. state of Alaska. It is about 80 miles long and 10 miles wide, extending from the mouth of the Stikine River to Iphigenia Bay on the Gulf of Alaska, separating Mitkof Island, Kupreanof Island, and Kuiu Island on the north from Zarembo Island and Prince of Wales Island on the south.
Max. length: 80 mi (70 nmi; 130 km)
Min. width: 10 mi (8.7 nmi; 16 km)
Islands: Mitkof Island, Kupreanof Island, Kuiu Island, Zarembo Island, Prince of Wales Island
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