Trou d'Arbois (Hole of Arbois) is a natural bridge located on Ruisseau d'Arbois near the hamlet of Les Orcets on Vercors Regional Natural Park in Drôme department of France. The opening has an estimated height of 5.0 meters. Ruisseau d'Arbois is an intermittent stream and completely dry in Summer. It is located by black spot at Trou on IGN topgraphic map Top 25 issue 3236 ouest Villard-de-Lans (pleat A1).