Sally Dodge: As a tour leader I am often left when tours finish at a loose end for a week or two.  I usually try to find a mountain to climb, a route to cycle or something culturally exciting; with the Andes as my playground I am always spoilt for choice!

Image: Sally in Peru

At the end of February this year as I was seeing off the last of my group in a wet, grey and muggy Buenos Aires, I knew that I didn’t want to spend my next two weeks dodging floods and torrential rain (even if it was hot rain). I looked at the weather forecast for the whole of Argentina and before I knew it I was on a 20 hour bus...