L'Olla Doble (Spain - France)
A route that connects Olla de Núria with Olla de Vallter, two well-known routes for the catalan mountain tradition of the natural park of the headwaters of the Ter and Freser that are known separately but that until now had not joined in a single route that, leaving and arriving at Vallter, draws an infinite following the high ridges between 2600 and 2900 meters.