Harrat al Shamah

The Harrat al-Shamah (also known variously as the Harrat Ash Shaam and the Harrat e-Shamah) is a volcanic field covering a total area of some 40,000 km² (15,000 sq mi). This massive alkaline volcanic field extends from southern Syria, across Jordan and into northwestern Saudi Arabia.This wide extended basaltic province contains more than 800 volcanic cones and around 140 dikes and ring dikes.

Map of Harrat Ash Shamah, Oumm Oualad, Syria

The Jabal al-Druze, al-Safa and Dirat al-Tulul volcanic fields (among others) form the northern, Syrian, part of the Harrat al-Shamah; al-Harrah is in the southern, Saudi Arabian, third of the field.