The Lesser Caucasus, also called Caucasus Minor, is the second of the two main mountain ranges of Caucasus mountains, of length about 600 km (370 mi). The western portion of the Lesser Caucasus overlaps and converges with east Turkey and northwest Iran. It runs parallel to the Greater Caucasus, at a distance averaging about 100 km (62 mi) south from the Likhi Range (Georgia) and limits east Turkey from the north and north-east. The highest peak is Aragats, 4,090 m (13,420 ft).