Located 9 km south-west of the center, it sits in thick forests on a mountain top. The area is noted for its iron-trees. There are still traces of the brick fortress in the forest. One can reach it in half an hour. It is believed that the fortress was built by the Iranian ruler Shapur for a comman¬der named Balabur in the 6th century. It was built of brick and stone on the bank of a Lankaranchay tributary.