San Carlos de Bariloche is a city in the province of Río Negro, Argentina, situated on the foothills of the Andes, surrounded by lakes (Nahuel Huapi, Gutiérrez Lake, Moreno Lake and Mascardi Lake) and mountains (Tronador, Cerro Catedral, Cerro López). It is famous for skiing but also great for sight-seeing, water sports, trekking and climbing. Cerro Catedral is one of the most important ski centers in South America.