We leave Sallent de Gállego from the sports area to go up to La Sarra along the Ibonciecho path. We go around the lake doing the first stretch on asphalt. We go down to Sallent de Gállego on tarmac, until we take the road/GR11 towards the Camino Natural de Lanuza. We return on tarmac. Estimated time: 1 hour and 10 minutes.