Quebrada del Toro by Bike

The Quebrada del Toro is the long canyon that carries both the road and the famous railway line from the Lerma Valley up into the Puna. Its walls are striped red and ochre, its slopes are dotted with cardon cacti, and its track passes through tiny settlements, old railway stations and stone bridges. Seeing it by mountain bike is a very different experience from taking the bus or train. Guided rides typically start high in the canyon and follow quiet roads and paths downhill alongside the railway, with a support vehicle carrying gear and bringing riders back. Because the route is mostly descending, it is accessible to riders with moderate fitness, and the pace allows regular stops for photos, explanations of the railway history and views of tunnels and viaducts. Guides supply bikes, helmets and refreshments, and some rides include a visit to a village or a picnic by a stream. For those who want activity and scenery in one package, it is a rewarding alternative to the standard sightseeing day.

The railway story adds interest. The line, completed in the 1940s after years of construction, was engineered to overcome the steep terrain between Salta and the mining regions beyond the Andes. Workers built zigzags and spirals into the mountainsides so that trains could gain height gradually, and the stations along the route became small communities.

Today the railway is a heritage and tourism line, and riding alongside it lets you appreciate the engineering at close range. Villages such as Campo Quijano, at the entrance to the canyon, and smaller hamlets higher up add cultural colour, with local products, simple restaurants and occasional folk music.

Practical details matter. Altitude rises as you ascend toward the start of the ride, so expect cool temperatures, strong sun and thin air. Wear layers, sunglasses and sun cream, and carry water. Helmets are provided, but riders should wear closed shoes and gloves if possible, and ride with attention on gravel sections and near traffic. Because road conditions and rainfall can change the route, the operator may adapt it on the day, and summer storms occasionally limit access to some stretches.

The activity suits adults and teenagers who are comfortable on a bike, and it is an excellent choice for visitors who prefer to travel actively or who have already seen the train and want a different angle. Combined with a visit to San Antonio de los Cobres or the Train to the Clouds, it rounds out a full picture of one of the most beautiful canyons in the northwest.

Think of the ride as a moving classroom. Guides often explain how the canyon's layers of rock were exposed by the river, why cardon cacti favour certain slopes, and how the railway's builders solved problems such as landslides and flash floods. Along the way you may meet local families who run roadside stalls selling bread, cheese, jams and woven goods.

Take the chance to chat, buy a snack and learn what life is like in communities that have lived alongside the railway for generations. Because group sizes are usually small, guides can adjust the pace for photographs and rest. Riders who are less confident can ask for a gentler section, and those who want more challenge sometimes extend the route on the way down.