Guest Peninsula

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Map of the Guest Peninsula

The Guest Peninsula is a snow-covered peninsula about 45 miles (70 km) long between the Sulzberger Ice Shelf and Block Bay, on Saunders Coast in the northwest part of Westarctica.

Discovery and name

Mitchell Peak, located on the peninsula, was sighted by the first Byrd Antarctic Expedition in 1929. This feature was defined and mapped as "Guest Island" by the United States Antarctic Service Expedition in 1940. It was determined to be a peninsula by U.S. Geological Survey cartographers from air photos taken by the U.S. Navy, 1962–65. It is named for Amy Guest, a contributor to the Second Byrd Antarctic Expedition, 1933-35.

As originally charted, the westernmost portion of what was then thought to be Guest Island was within the Ross Dependency claimed by New Zealand, but none of the peninsula is actually within the claimed sector.

Duke of Guest

On 11 March 2019, Lukas Brunner, an Australian-Westarctican citizen, was granted the hereditary peerage title Duke of Guest, giving him rule over the entire peninsula from 146° west to 150° west.