Aven d'Orgnac
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Aven d'Orgnac is a cave located near Orgnac-l'Aven, in the Ardèche département.
Discovered in 1935 by Robert de Joly and open to the public since 1939, it is one of the most visited places in that area.
Coordinates: 44°19′21″N 4°24′43″E / 44.32250°N 4.41194°E
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