This mosque is located 5 km from Shahr-e-Kord and is also known as the Mohab Mosque. It was built during the Safavid era, and in Afsharieh period it has been repaired by Moheb Ali Beik, the famed commander of Nader Shah Afshar.
The Keyan Mosque has two halls for nocturnal prayers for the spring and winter season. Its eastern arch is made of stone. The ornamental works on ceiling and its brick work are the architectural characteristics of this mosque.