The Al Wahaba crater is located in the Saudi Arabian desert, 254 km from Taif on the western edge of the Hafer Kishb basalt plateau, which contains many volcanic cones. This photogenic crater is the largest of its kind in the Middle East - 2 km in diameter with cliffs dropping 250 meters to a flat base, in the center of which is a thick crust of dazzling white sodium phosphate crystals.

For some time it was thought that the crater was formed by a meteorite, as its appearance resembles that of the Barringer Crater, with its circular form and high sides. It is now commonly accepted by geologists that the crater was formed by volcanic activity in the form of an underground explosion of steam generated when molten magma came into contact with groundwater. On one side of the crater lies an ash cone which is all that is left of the volcano.

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