Jabal Yar, the southernmost young volcanic field in Saudi Arabia, is a small olivine basaltic volcanic field along the Red Sea coast at the SW tip of Saudi Arabia.  It contains three groups of volcanoes, Qummatain, Djar'atain-Harra, and 'Ukwatain.  Hot springs occur south of Djar'atain and between it and 'Ukwatain.  A single historically documented eruption from Jabal Yar took place at the beginning of the 19th century.