Tenasillahe Island

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Tenasillahe Island
Aerial view of the last kilometers of the Columbia before it flows into the Pacific: (cut off) Puget Island in the foreground, Tenasillahe Island and Welch Island behind it (lower right corner)
Aerial view of the last kilometers of the Columbia before it flows into the Pacific: (cut off) Puget Island in the foreground , Tenasillahe Island and Welch Island behind it (lower right corner)
Waters Columbia River
Geographical location 46 ° 14 ′  N , 123 ° 27 ′  W Coordinates: 46 ° 14 ′  N , 123 ° 27 ′  W
Tenasillahe Island (Oregon)
Tenasillahe Island

Tenasillahe Island is a small island in the Columbia River , which at this point forms the border between the US states of Washington and Oregon . The island is assigned to Clatsop County in Oregon. It is located a few kilometers downstream from Puget Island . Despite its small area, the Red Slough and Tenasillahe Slough rivers have their source on the island. A little further down the river is the river island Welch Island .

Lieutenant William Robert Broughton drove past Tenasillahe Island on October 25, 1792 as a member of the George Vancouver Expedition. 1805-1806 the Lewis and Clark expedition reached the area; Lewis and Clark called the island and the neighboring Welsh Island "Marshy Islands". The current name of the island means "small country" ("tenas" = small and "illahe" = land in the language of the Chinook Indians ). In 1914 it was officially written in this way by the US Board of Geographic Names .

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