Something you cannot miss during your visit in Argentina is the Perito Moreno glacier, which, together with other twelve glaciers, makes up the biggest sliding masses of ice and snow of Los Glaciares National Park. This 5-Km.-wide glacier, which is 60 meters above Lake Argentino, continues in advance. Throughout the year, ice towers detach from the glacier and plunge into the water as small icebergs. Perito Moreno glacier can be reached from El Calafate. Sailing across Lake Argentino, among white and blue icebergs, you can see 50-Km.-long Upsala glacier. Onelli and Agassiz glaciers can be admired after walking 1,5 Km from Onelli bay.