San Carlos de Bariloche, usually known as Bariloche, is situated in the foothills of the Andes on the southern shores of Nahuel Huapi Lake. It is located within the Nahuel Huapi National Park. Bariloche is a major tourism centre of Argentina with ski, trekking and mountaineering facilities and serves as a base for many excursions in the region. In addition, it has numerous restaurants, cafés, and chocolate shops and is noted for its and Swiss-style architecture.
The most popular activity is skiing, because of that most tourists visit Bariloche in its winter (summer for North Americans and Europeans). Trekking in the mountains, almost completely wild and uninhabited is also a popular activity. During the summer, beautiful beaches such as Playa Bonita and Villa Tacul welcome sun-bathers; brave lake swimmers venture into its cold waters (chilled by melting snow.) Lake Nahuel Huapi averages 14 °C in the summertime.