Don't just wander the earth's surface — discover what's below it too. See strange natural formations and shapes in the deep, shadowy corners of Urdax Caves.
You'll have no end of sightseeing choices when staying in Urdax. Urdax Caves is a good place to start here, but there are lots of other worthy attractions to explore. Museo de las Brujas de Zugarramurdi, and Cuevas de Zuggaramurdi are near the natural underground attraction and will top off your day nicely.