In reply to Merlin:
Hi, yes, there is climbing at Refugio Frey. I was just trekking but it did look good
it is a ~40 min bus ride from town, then a 2 hour walk in. Would be best to stay a night in the Refugio..( which is great).
I,be been to Bariloche a couple of times, as well as San Martin de kid Andes, so ping me if you have questions etc. Cheers