Tiedeman Island is an island in the

Alexander Archipelago The Alexander Archipelago (russian: Архипелаг Александра) is a long archipelago (group of islands) in North America lying off the southeastern coast of Alaska. It contains about 1,100 islands, the tops of submerged coastal m ...

, east of

Admiralty Island Admiralty Island is an island in the Alexander Archipelago in Southeast Alaska, at . It is long and wide with an area of , making it the seventh-largest island in the United States and the 132nd largest island in the world. It is one of the ...

, about two-thirds up from the entrance of

Seymour Canal Seymour Canal is an inlet penetrating deep into the southeastern part of Admiralty Island, Southeast Alaska, United States. The inlet was first charted in 1794 by Joseph Whidbey Joseph Whidbey FRS (1757 – 9 October 1833) was a member of th ...

, which is a large inlet in the Admiralty Island National Monument and Wilderness in

Southeast Alaska Southeast Alaska, colloquially referred to as the Alaska(n) Panhandle, is the southeastern portion of the U.S. state of Alaska, bordered to the east and north by the northern half of the Canadian province of British Columbia (and a small part ...

, United States. To its north is Swan Island. It was named by

William Healy Dall William Healey Dall (August 21, 1845 – March 27, 1927) was an American naturalist, a prominent malacologist, and one of the earliest scientific explorers of interior Alaska. He described many mollusks of the Pacific Northwest of America, and w ...

of the

United States Coast and Geodetic Survey The United States Coast and Geodetic Survey (abbreviated USC&GS), known from 1807 to 1836 as the Survey of the Coast and from 1836 until 1878 as the United States Coast Survey, was the first scientific agency of the United States Government. It ...

, and published in the 1883 ''

American Coast Pilot American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, pe ...

''. The first

Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...

an to discover and chart the island was

Joseph Whidbey Joseph Whidbey Fellow of the Royal Society, FRS (1757 – 9 October 1833) was a member of the Royal Navy who served on the Vancouver Expedition 1791–95, and later achieved renown as a naval engineer. He is notable for having been the first Eu ...

, master of during

George Vancouver Captain George Vancouver (22 June 1757 – 10 May 1798) was a British Royal Navy officer best known for his 1791–1795 expedition, which explored and charted North America's northwestern Pacific Coast regions, including the coasts of what a ...

's 1791–1795 expedition, in 1794. The island features nesting habitat for a large number of

bald eagles The bald eagle (''Haliaeetus leucocephalus'') is a bird of prey found in North America. A sea eagle, it has two known subspecies and forms a species pair with the white-tailed eagle (''Haliaeetus albicilla''), which occupies the same niche as ...

and is part of the

Eagle observation area, used for long-term observation of bald eagles. Old-growth forest covers 30% of the island. There is one lake on the island. Peak elevation is less than .

References

Islands of the Alexander Archipelago Islands of Hoonah–Angoon Census Area, Alaska Islands of Alaska Islands of Unorganized Borough, Alaska {{HoonahAngoonAK-geo-stub