The land of the Incas is located at more than 3500 meters above sea level, and it is very likely that many people are affected by the lack of oxygen, also our climate may seem very dry to them, although in the rainy season (November - April) the weather is much warmer. So during all the trek and all the tours, Hierba Buena offers and has a professional medical team assigned to care for lack of oxygen and other ailments, not only the elderly are cared for, but also children and/or adults. Do not doubt for a second that you have top-level medical assistance in any service you contract with us.