Tim Atkin MW: Bolivian bounty
The drive from Tarija to the Cinti Valley challenges your imagination as well as your lungs. You leave a bustling city at 1,900 metres and begin the switchback climb to the altiplano. Roadside restaurants offer sopa poderosa, a carbohydrate and protein-packed stew, to fortify you for the journey. You might well need it, or a cup of coca tea, as the highest point on the three-hour trip is just short of 4,000m. From there, you descend towards the Cinti Valley at around 2,400m.
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