Babak mysterious castle

Babak Fort at Kaleibar- Tabriz province has different names. This castle also known as  Papak Fort ,  Babak Castle, Immortal Castle or Republic Castle. This strong and  high fortress, is one of  the most historic and interesting castles in Iran. It remained from the Sassanid period.

This fort name is from an Iranian militant leader Babak Khorram Din vs. Arabs and Abbasids in Iran who fought the Islamic caliphate of Abbassids. Iranian gather here during the first weekend in July for the annual commemoration of Babak Khorramdin.
The Babek Kharaddin Fort located over a mountain with about 2300 to 2700 m from sea level. The castle surrounded by a depth valley of 400 to 600 meters from each side.The only way to access this fort is through a narrow mountain path.Babak incited his followers to rise in rebellion against the caliphal regime and resist against them for 20 years at this castle. The most important resistance reasons against the attacks was the special natural features of the castle.And the Iranians, with the smallest number of troops, fought against the huge Arab armies.