1 Best Sight in Parque Nacional Lago Puelo, The Lake District

Set more than 200 meters (656 feet) above sea level, this park’s titular lake has warm water for swimmers, plentiful fish stocks for anglers, plus a selection of on-the-water excursions for boaters. Hiking options abound in the area as well—the most interesting of which are at the west end of the lake on the Chilean border.