Les Gorges du Trient Opening hours De mai à octobre. Suggestions L’Aiguille de Mex You can appreciate a panoramic view from the Lake Geneva Basin to the Cime de l’Est, while enjoying an aperitif. Dailley gorges The Dailley Gorges offer an extraordinary walk through wild yet easily accessible countryside. Marble Quarry When you arrive at the marble quarry, shout out your name to hear it echo through the rocks.