Grotte de la Trone is a cave with double entrance and a upper opening which formed a triple natural arch. It is located on Gorges du Gardon near the village of Russan in Gard department of France. The lower entrance has a height of 5.5 meters, the upper entrance has a height of 4.6 meters and the thrid opening a span of 3.2 meters. It is located by black spot at "Grotte de la Trone" on the IGN topographic map Top 25 number 2941 west Uzès pleat C1.