SAN MARTIN › PICOLIN › GRAN JÚ - Trail no.21: From the village centre, follow the roadside pavement to Picolin. Turn right at the crucifix, walk past the chapel and continue uphill along the paved road on the right just after the bridge. After approx. 4 km you will reach the hamlet Jú: Pice Jú on your left and Gran Jú on your right. To the left of Gran Jú, a gravel road leads to Piz de Plaies.