The pic du Grand Quayrat is a French pyrenean summit, culminating at in the vallée d'Oô (commune d'Oô near Bagnères-de-Luchon in the Haute-Garonne department, Midi-Pyrénées region).
Toponymy Its name in Occitan , meaning "square", comes from the distinctive shape of the summit, roughly forming a right angle, from the north.
History The Grand Quayrat became the second climbed three thousander in 1789, ascended by physician Henri Reboul, leading an expedition from the barnes of Astau.
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