sentences:  Access is by the D20 road from Axiat in the east passing through the village and continuing to Caychax in the west.Appy is a remote mountainous commune, heavily forested in the south and west, with the rest alpine terrain.In the north of the commune is the "Etang d'Appy" from which flows the "Ruisseau de Lac d'Appy" towards the south-west to join the "Ruisseau de Caychax" which joins the Ariège at Albiès.