Paso 5 Hermanos
This Pass crosses the 'Fiver Brothers' Mountain Range in Tierra del Fuego. Hiking through the pass is certainly a challenge due to strong winds and the snow which usually covers the pass and its surrounding mountains. For this reason, it's definitely better to trek this route with a guide. The challenge is all worth it though for the views of the impressive mountains all around you.
Map of Paso 5 Hermanos