Acotango 🏔️ Overview Acotango is a 6,052-meter (19,856-foot) stratovolcano rising directly on the border between Bolivia and Chile. It belongs to the Nevados de Quimsachata, a north–south chain of three high volcanoes in the Cordillera Occidental of Bolivia and the wider Andes. The mountain is the central and highest member of the Quimsachata group. Humarata, …