It is one of the medi­um-high rocky desert areas with a height of about 900 meters, its peaks are topped by Mount Tahat, which ris­es about 2.908 meters above sea lev­el, the moun­tains Hog­gar con­sist of a group of very beau­ti­ful meta­mor­phic rocks, you can prac­tice moun­taineer­ing in this region, it should be men­tioned that these moun­tains are about two bil­lion years old.