The Grand Raid 3v Remix is an event that has a length of 165 km with approximately 8700 m of elevation gain . Retraces the " 3 V " or " Path of the Three Valleys - Silvano Cinelli . " It is a unique hiking route for many reasons , among them , its structure , its history and its management . And ' structured on a medium / low altitude route starting and finishing in Bione , with development along the entire ridge of the watershed Trompia valley with the neighboring valleys : Valley Sand ( and tax Caffaro valley ) to the east and north ; low Camonica and Sebino west valley. A big circle, therefore, that embraces the three valleys Brescia linking closely to the capital ; a multiple combination full of meanings!