Considering the Hotel Carollo in Mendoza?
A VT member wrote the following comment about visiting Mendoza:
Fortín de Picheuta - on Ruta 7 by Trekki
If you go on the tour from Mendoza to the Chile border, you will make a stop at the old fortress at Picheuta. The water of the river is crystal clear, and you get the first glimpse of the multicolored corillera in this part of the world.Picheuta river - view to the northwest