Babak Castle, Kalibar
This castle is located 5 km. southwest of Kalibar, at 2,600 m. above sea level. Surrounding the castle are valleys and only access to this structure is through a narrow track. It was from this castle that Babak Khorram Din and his followers fought against the Arabs for 22 years. Historical evidences show that this castle was the center of rule in the 6th and 7th century AH., of the territory. This castle has been repaired by The Cultural Heritage Organization of Iran.
Avarsian Castle, Ahar
Located 11 km. on the Ahar - Kalibar Road and is one of the evidences from the Sassanian era.