This Roman fortress is set on a peak near the Syrian border. The Nusaybin-Midyat caravanserai route passed through the valley to the east. The Hafemtay Fortress served as a Roman outpost against Syrian incursions, and was long fought over by the Arabs and Romans.
The fortress stretches from south to north and has 14 towers and two watchtowers. The fortifying walls measure 1500 meters long and 10 meters high, while the towers and watchtowers are 20 meters high. The fortress has a single gate to the south. Inside, there are cisterns, storerooms for provisions, architectural ruins and underground cellars.