Adare Peninsula
peninsula in Antarctica
The Adare Peninsula (71°40′S 170°30′E), is a high ice-covered peninsula, 40 nautical miles (74 km; 46 mi) long, in the northeast part of Victoria Land, extending south from Cape Adare to Cape Roget. The peninsula was named by the New Zealand Antarctic Place-Names Committee (NZ-APC) for Cape Adare.
The peninsula is considered the southernmost point of the Borchgrevink Coast, named for Carsten Borchgrevink (1864-1934).
Geology
The Adare Peninsula consists of overlapping shield volcanoes that have been potassium–argon dated 6 to 13 million years old. Potassium–argon dates of 2.27 million years and perhaps 1.14 million years have also been obtained.
The Adare Peninsula shields form part of the Hallett Volcanic Province of the McMurdo Volcanic Group.
West coast features
Named features on the west coast, which faces Robertson Bay, are (from north to south):
Cape Adare
71°17′S 170°14′E.
A prominent cape of black basalt which is in visual contrast to the rest of the snow-covered coast, forming the north tip of Adare Peninsula.
The cape marks the northeast extremity of Victoria Land and the west side of the entrance to the Ross Sea.
Discovered in Jan. 1841 by Captain James Ross, Royal Navy, who named it for his friend Viscount Adare, M.P. for Glamorganshire.
“Adare Peninsula” enters the record as peninsula in Antarctica. Crown Archives preserves that source wording while asking what Adare, Peninsula and peninsula can confirm, complicate or overturn.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Aug 9, 2026. The linked authority identifier is Q2680457. Authority coordinates are -71.667, 170.500. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1864, 1934 and 1841.
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This entry incorporates text from “Adare Peninsula” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.