Aoudaghost also transliterated as Awadaghust, Awdughast, Awdaghusht, Awdaghost, and Awdhaghurst is a former Berber town in Hodh El Gharbi, Mauritania. It was an important oasis town at the southern end of a trans-Saharan caravan route that is mentioned in a number of early Arabic manuscripts. The archaeological ruins at Tegdaoust in southern Mauritania are thought to be the remains of the medieval town.