White-Water Rafting

The Río Colca is finicky. Highly skilled paddlers long to run this Class IV–V river. Depending upon the season, the water level, and the seismic activity of the local volcanoes, the rapids change frequently. In some areas, they're above Class V; in others, they're slow enough to be considered Class II–III. Below Colca Canyon, conditions on the Río Majes (the large downstream section of the Río Colca) are reliable, with superb white-water rafting. Skilled rafters start in Huambo by renting mules for S/20–S/30, and, for the next eight hours, descend to the river. The waters at this point are Class III, but when the Río Mamacocha dumps in, it's Class IV and V rapids.

Paddlers who have tried to run the entire river through the canyon have failed more often than succeeded. There are a few well-known operators to consider, which is important, given the river's intensity.

The following operators specialize in adventure tours in the Colca and Cotahuasi Canyons. For the standard one- or two-day tours of Colca Canyon, see tour operators listed under Arequipa.

Tour Operators

Amazonas Explorer. Based in Cusco and one of the most reputable adventure companies in the country, Amazonas Explorer is one of the few that offer rafting trips in Cotahuasi. Owner Paul Cripps, an inveterate rafter himself, keeps abreast of current conditions and ensures that the best equipment and highest degree of safety practices are employed. Av. Collasuyo 910, Cusco, Cusco. 844/380–7378; 958/729–904; amazonas-explorer.com. From USD$3161.

Bio Bio Expeditions. One of the leaders in kayaking and rafting operators around the world, Bio Bio Expeditions offers 11-day, all-inclusive runs down the Cotahuasi rivers. All guides are trained in first aid and swift-water rescue. 800/246–7238; www.bbxrafting.com. From USD$3700.