Extreme mountainbike three days of duration joining Cerro Los Gigantes and Cerro Champaqui through Pampa de Achala, this begins with a trekking to the Massif de los Gigantes, from the cajones we return to the bicycles and travel until sunset through the Pampa de Achala the next day we return The bicycles again and we arrive at sunset at the posts of the Champaqui hill, the third optional trekking day to the top of the Champaqui hill, we return and take the bicycles towards three trees and descent on a consolidated gravel road to Yacanto de Calamuchita, this activity has permanent assistance throughout the tour and is for people with experience in mountain bikes, activity to be developed from 2016 Atte. Julito and Walter.