Laghouat (English: Laghwat French: Laghouat Arabic: الأغواط) is the capital city of the Laghouat Province, Algeria, 400 km south of the Algerian capital Algiers in the Atlas Mountains. As of 2005, the population of the city was 126,291 inhabitants. Nearby, in Hassi R'Mel, there is the largest natural gas reserve in Africa.