TWO SISTERS

Impressive limestone formations, the Plazaola greenway gorge, tunnels, cliffs and a wealth of natural beauty.

Las Dos Hermanas, in Irurtzun, are two imposing limestone formations marking the entrance to the northern valleys. The River Larraun has carved this gorge, now traversed by the Plazaola Greenway winding through tunnels, cliffs and rich natural surroundings.