The Nahuel Huapi National Park is the oldest national park in Argentina and surrounds Nahuel Huapi Lake in the foothills of the Patagonian Andes. It is also the largest of the national parks in the region with an area of 7,050 sq. km. (2,720 sq. mtrs.), making it approx. 2 million acres. The park is completely protected while the reserve is partially protected. The national park is dominated by the high mountain chain of the Andes, many lakes, rapid rivers, waterfalls, snow-clad peaks, glaciers and extensive forests making its terrains some of the most varied in the region.