General Carrera Lake / Lake Buenos Aires

General Carrera Lake or Lake Buenos Aires is a lake located in Patagonia and shared by Argentina and Chile. Both names are internationally accepted, while the autochthonous name of the lake is Chelenko, which means "stormy waters" in Aonikenk. Another historical name is Coluguape from Mapuche, a derivative of this name is applied to Colhué Huapí Lake after Argentine explorer Francisco Moreno reached this lake in 1876 conflating it with Coluguape.The lake is of glacial origin and is surrounded by the Andes mountain range.