To know the extreme south of Patagonia is to see planet Earth as it was around 10.000 years ago, over the end of the last glacial era, as if time had stood still.
La Patagonia Andina Austral is still today, a virgin and little explored land. Of imposing beauty, it offers a series of natural settings that are unique in the world, such as the the Patagonian ice and some of the most stunning granite mountain range of Patagonia: mt Fitz Roy (3441 m), mt Torre (3128 m), Paine mt (3050 m) and Moreno, Viedma and Upsala glaciers among others. The region is populated with lakes, rivers, mountains, native forests and glaciers.
There are daily departures by bus from Buenos Aires to Río Gallegos, from where you can combine with a bus (that leave regularly) to El Calafate, and then to El Chaltén. By car from Buenos Aires taking route 3 up to Rio Gallegos, then route 5(that later on meets Route 40) up to El Calafate and then El Chalten by route 40 deviating on the Wets by route 23 to finally reach El Chalten. A shorter options is to take route 288,a gravel road that comes out of Piedra Buena up to Tres Lagos and then take route 23 to the west until reaching El Chalten.( please check the condition of the road). There are daily departures by bus from Buenos Aires up to Rio Gallegos where you can make a combination by bus (constantly departing) to El Calafate and then El Chalten.
Aerolíneas Argentinas and LAN have daily flights from Buenos Aires, Ushuaia and Bariloche to El Calafate, which is the nearest airport. From there, El Chalten continues by road (there are several regular daily bus, and also car rental companies in El Calafate).