evidence: The hike Mount Fitz Roy is absolutely my favorite hike in Patagonia. In this article, I explain to you all the trials that go to Mount Fitz Roy and Laguna de los Tres, and what the expect during your hike. A beautiful trail starting from El Chaltén Argentina. [...] The trekking to Mount Fitz Roy starts in the little town El Chaltén. The nearest bigger city is El Calafate—also, the city where you can arrive by plane. [...] It’s important that you do the hike to Mount Fitz Roy when the weather forecast is good. I suggest to don’t starting the hike when it’s too windy or rain is forecasted. The weather can rapidly change too. This is the link to the National Weather Institute of Argentina – SMN. The predictions that they made are pretty accurate for the day itself.