Sabalan (4811 m.) [Sabalân/Sāvālān] is an ex volcano and 3rd highest summit of Iran is located in NorthWest of Iran. It rises in starting zone of Alborz mountains
An amazing small lake is placed at the top, which is created in the volcano hole. The lake frizes 9 or 10 months a year even in July and agust early in the morning .