Rayen Waterfall or Zar Rood Waterfall is located 14 kilometers to the southwest of Rayen, in the skirts of Hazar Mount in Kerman. This waterfall is formed by the falling of a river the origin of which is the upper heights and flows from the snowy skirts and walls of Hazar Mount. It cascades in four stages. Due to the groove behind this waterfall, it is possible to walk behind the waterfall where water falls. Moving behind Rayen Waterfall, is an attractive experience and in the winter, it is like an exciting ice trekking.