This tower is located in a site 12 km. north of Qazvin, and has a wonderful panorama as well as a pleasant climate. The Barajin Tower is on an elevation. The foundation of the tower rests on an octagonal platform with eight semi circular pillars around it. The same has been constructed with rubble stones, slabs of stone, brick, gypsum and mortar. It is a relic of the 4th or 5th century AH.