trekking in patagonia deserted mountains, nahuel huapi national park, man hiking on cerro catedral mountain steep

adventure america andes argentina bariloche catedral cerro desert deserted dramatic extreme frey geology granite high hike hiker hiking huapi impressive landscape lifeless man mountain mountains nacional nahuel national nature negro outdoor park parque patagonia peak refugio rio rock rocks rocky south steep stones summer top tourism tourist trail travel trek trekking wanderlust wilderness