The historical castle is near Behestan village and next to the Ghezel Ozan River.
The first building of the fort belongs to the Sasanian Empire, and it was also used during the Islamic period.
The remains of Behestan Castle have been registered on the Iran National Heritage List.
The exact date of this castle is not clear, however, the time of its construction has been attributed to the period of the Medes, Achaemenids and Sassanids, in various texts.
Behestan Castle is one of the 20 historical castles of Mahneshan city in Zanjan Province.
The castle has several floors. The upper floors of Behestan Castle were built for defense and the lower floors were built as slums and food storage facilities.
The builders of this castle dug mountains and emptied rocks and soil to create the rooms and corridors.
Zangan in northwestern Iran is a mountainous province.
MG/AG