Festival des Oasis de l'Adrar in Adrar
No festival confirmed under the exact name Festival des Oasis de l'Adrar as a distinct branded event. The Adrar region's oases are, however, the setting for the Guetna, Mauritania's major annual date-harvest celebration held each July or August, when thousands travel from the cities to the oases to celebrate and buy dates.
Search results did not confirm an organized event formally branded Festival des Oasis de l'Adrar.