Undoubtedly, the park´s the major attraction is the San Rafael Lagoon. The park, which is the biggest in the Aysén region, has 1.742.00 hectares of which 400.000 hectares are age-old ices and fields over the vegetation limit and is the biggest in the Aysén region.
The Calafate, which is popularly called «Calafate», is a city located in the southern shore of the Lago Argentino, in the region of Patagonia.
The glacier shows an amazing and curious phenomenon in which it´s huge ice mass advances continuously causing the accumulation, breaking and consequent detachment of the immense 5km ice blocks.