ALGERIA. SAHARA. The Ahaggar Mountains, also known as the Hoggar, are a highland region in central Sahara, home of Tuareg people. They are located about 1,500 km south of Algiers. The region is largely rocky desert and the highest peak is at 3,003 meters (Mount Tahat). Assekrem is a famous and often visited point where le Père de Foucauld lived in the summer of 1905. The main city nearby the Ahaggar is Tamanghasset, built in a desert valley.