Бану Каси
According to Umayyad chroniclers, a joint force of Navarrese (Enneko Aritza), Aragonese and Banu Qasi warriors, hidden in the forests, awaited the Carolingian army on the sinuous narrow passes of the region of Cize. The Basques engaged the two columns in their terrain. The Carolingian forces were routed, and the two commanders of the expedition were captured.