Mr. Charles Darwin, coming to Patagonia as naturalist on board the
H.M.S. Beagle under the command of Mr. Robert Fitz Roy, wrote on January 20th of 1833 :

"...Early in the morning we arrived at the point where the Beagle Channel divides into two arms ; and we entered the northern one. The scenery here becomes even grander than before. The lofty mountains on the north side compose the granitic axis, backbone of the country and boldly rise to a height of between three and four thousand feet, with one peak above six thousand feet (This is probably refering to Mount Darwin, the highest peak in Tierra Del Fuego and capped with ice 300+ feet thick). They are covered by a mantle of perpetual snow, and numerous cascades pour their waters, through the woods, into the narrow channel below. In many parts magnificent glaciers extend from the mountain side to the water's edge. It is scarcely possible to imagine anything more beautiful than the beryl-like blue of these glaciers, and specially as contrasted with the dead white of the upper expanse of snow. The fragments which had fallen from the glaciers into the water were floating away, and the channel with its icebergs presented, for the space of a mile, a miniature of the Polar Sea..."