Gorges d'Holzarte is 1.8 mi (2.9 km) from central Larrau, why not stop by during your stay. If you like Gorges d'Holzarte, you'll love Irati and Grotte de la Verna, both just a short drive away.
Monumento a Roldán is just one of the landmarks located 5 mi (8.1 km) from central Valcarlos, so you might want to stop by for a few pics during your trip.