San Carlos de Bariloche, normally called Bariloche, is a major tourism centre with skiing, trekking and mountaineering facilities.
The city is very popular with Brazilian, European and Israeli tourists.
And with ME. 😀
The BEST HIKE there is the Nahuel Huapi Traverse. Challenging, for sure.

Here’s a terrific, comprehensive overview of how to get to Bariloche. And what to do when you get there: