Calzaghe will fly to America on 5 April to begin acclimatisation, alongside stable-mates and sparring partners Bradley Pryce and Nathan Cleverly.

BBC: Calzaghe banking on world support

No longer is the trail an endless line of teahouses and lodges, and the villages are well spaced to assist trekkers with altitude acclimatisation.

BBC: Nepal��s other Everest

La Paz is possibly the better option because it is located at an altitude of 3, 650m, so that you can start your altitude acclimatisation here.

BBC: How to climb a South American volcano

After a couple of weeks of acclimatisation, a fit person with little technical knowledge can feasibly summit Mt Chimborazo, the highest in the country.

BBC: Scaling the Ecuadorean Andes