Megalestris Hill is a rocky hill, 35 m (115 ft) high, in the south part of Petermann Island in the Wilhelm Archipelago, Antarctica. It was first charted and named in the course of the fourth French Antarctic expedition (1908–10) under Jean-Baptiste Charcot. Megalestris is an obsolete generic name for the south polar skua.
A cairn with a lead plaque was erected on the hill in 1909. The original plaque has since been removed and is kept in the Museum National d’Histoire Naturelle in Paris, but the cairn, with a replica plaque, has been designated a Historic Site or Monument (HSM 27), following a proposal by Argentina, France and the United Kingdom to the Antarctic Treaty Consultative Meeting.
- "Megalestris Hill". Geographic Names Information System. United States Geological Survey. Retrieved 2013-09-12.
- "List of Historic Sites and Monuments approved by the ATCM (2012)" (PDF). Antarctic Treaty Secretariat. 2012. Retrieved 2013-10-28.
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