Impressive wall that rises on both sides of the Barranc del Bosc and on the north side, is the Roca Regina. Some of these walls are normally climbed so it's …
The gorge created by the Riu Boix by its passage through these rocks has formed a structure where the road climbs immense stone walls. The path is surrounded by walls where the only option is to climb up!
Before reaching the narrowest point of the Terradets pass, there appears this set of kilometers where the river has formed a narrow gorge that, as the path rises, gives very beautiful views of the area.
The Castle of the Clua is a building in Bassella (Alt Urgell) declared a Cultural Asset of National Interest. The town is located between the gorge of the Clua, enter cliffs!