Hi Nacho,
I climbed to the col from Plaza Argentina and that is quite easy, first a long shallow wide valley, ending up stepper and steeper until just a steep scree slope with a switchback track. Down only takes a very short time

I think the hardest part is going up from Francia. Remember that the col is South East from the rocks of Cerro Ibáñez . That's to the right if seen from Francia, left if seen from Argentina. The col is about 4900-5000m.
Normally there is no snow/penitentes on the Argentina side.
Keep us posted!
