This part of Salta has traditionally been the sole preserve of the Tren a las Nubes, but in the last few years, another tour operator Movitrack (http://www.movitrack.com.ar) has run very successful tours along the same route which actually allow you to see far more of the impressive engineering of the train track, and certainly absorb more of the landscape. Inevitably, other tour operators followed, and along Salta’s Calle Buenos Aires, you’ll find plenty of tours on offer, though Movitrack is the only company to have pressurized oxygen pumped vehicles to counter the inevitable effects of altitude. It’s well worth hiring a car to explore the Quebrada del Toro, and to make time to see Santa Rosa de Tastil, which few agencies include in any detail. Ask the tourist office for latest information on local guides at the site, since there is a new project to put trained locals in place. There is comfortable accommodation at San Antonio de los Cobres, but very little on the way. If cycling, note that much of the road is ripio, that there is no shade, and it’s extremely cold at night. However you travel, the effects of altitude are not to be underestimated, since you’ll be climbing to nearly 4000 m. You must take time for your body to adjust if you’re going to exert yourself beyond a gentle stroll. Drink plenty of water, avoid alcohol and don’t over-eat. Take it easy and you should feel fine.
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