Antipode elaborated a rating system of travel difficulties in order to let you choose the most adapted tour in function of your physical fitness.
There is no, or a few sportive and physical activities. This kind of trip is open to everyone and is generally turned to cultural visits. If the stay possess a physical activity such as walk, this one is limited in the time and with a low level. Nevertheless, you must know that every travel in the Andes can probably be difficult because of the altitude and some site visits are possible just by walk and can last until about 3 hours.
This kind of stay can include physical activities such as mountain bike or trekking which can last several days sometimes. It require a correct physical fitness and is for persons who practice sportive activity on a regular basis. The travelling conditions can be sometimes crude such as nights under a tent, in shelter or in the inhabitant house. The time of walk per day can be of 7 hours maximum with a positive drop of about 800 meters.
Stays including an intense physical activity, essentially in trekking. The time of walk per day can be more than 7 hours some days and the positive drop is above 1000 meters, on accidental lands with sometimes mountain passes at high altitudes (above 5000 meters). Only for people with very good physical fitness. This kind of stay includes travel conditions sometimes a little bit hard with many nights under a tent, subject to climatic vagaries.