If you're in need of some outdoor adventure, we recommend visiting Bony dEnvalira Via Ferrata. No easy stroll around the block, this hike is fantastic for some mid-vacation exercise.
To visit this steep landmass, find your way to Pas de la Casa. You'll find loads of other interesting attractions in this area, such as Soldeu Ski Resort, Grandvalira Ski Area, and Pas de la Casa Resort.