History. Château-d'Œx is first mentioned in 1115 as Oit, Oyz, Oix and Oyez.. Prehistoric settlements. During the late Paleolithic and Mesolithic (9500 to at least 6000 BC) caves around Château-d'Œx served as a seasonal settlement. Bronze Age knives indicate that there was a settlement during that era as well. Many of the local names (combe = valley, joeur = forest, man= rock) and the local ...
