Sumner Strait

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 (130 km) long and 10 miles (16 km) 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.^[1]

Key Information

Sumner Strait
Sumner Strait
Sumner Strait marked on a MODIS photograph of the Alexander Archipelago
Coordinates	56°23′36″N 133°30′36″W / 56.39333°N 133.51000°W / 56.39333; -133.51000
Type	Strait
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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The fur trader William Brown was the first European to visit the strait about 1793. Later the same year James Johnstone, one of George Vancouver's officers during his 1791-95 expedition, charted it.^[2] It was named in 1875 by W. H. Dall in honor of Charles Sumner.^[1]

The Cape Decision Light is a notable aid-to-navigation on Sumner Strait.

1. ^ ^{a b} U.S. Geological Survey Geographic Names Information System: Sumner Strait and U.S. Geological Survey Geographic Names Information System: Sumner Strait (two pages about the same feature)
2. ^ Vancouver, George, and John Vancouver (1801). A voyage of discovery to the North Pacific ocean, and round the world. London: J. Stockdale.{{cite book}}: CS1 maint: multiple names: authors list (link)

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