Kel: On the road again, just can't wait to get on the road again...... by overnight bus from Mendoza to Buenos Aires first, in what has to have been our best bus journey ever. We were in an 'executive' bus with almost fully reclining leather seats, we got served dinner, we watched the latest Batman and then we slept ... loads. The journey took about 13 hours but it was painless. We stayed in BA for a milisecond before jumping on another bus north to the pampas...

MATT: We left on the bus to Mendoza early, with a long journey ahead of us. But all in all a pretty painless one. We headed out of Valp, up the coast then inland towards the Andes. It is a few hours through the rugged, rocky landscape, gradually climbing up through the foothills towards the border pass. The last stretch is a climb of about 2000m that happens very quickly as the road snakes up the mountain side to the pass at about 3000m above sea level and across...