Les Gorges du Trient Opening hours De mai à octobre. Suggestions TrailZONE – Les aiguilles Promenez-vous le long du bisse qui longe toute la commune ! A Fun Course An outdoor adventure that lets you discover the city from a new perspective while sharpening your sense of observation. Marble Quarry When you arrive at the marble quarry, shout out your name to hear it echo through the rocks.