Snow well of Sax Monument · Sax, L'Alt Vinalopó, Alicante Image of Sax, not of the place itself. The Sax snow well is an 18th-century structure situated on the north face of the Peña del Castillo, next to the Vinalopó river. It was used to store snow with which the village was supplied with ice during the summer. Photo: Enrique Íñiguez Rodríguez (Qoan) (CC BY-SA 3.0) What to see and do in Sax