Lamias and Sirens Loop

With this circular MTB route from Bermeo you will pass through Mundaka and the beautiful surroundings of the hermitage of Santa Katalina, then face the demanding climb to the Katillotxu ridge, where one of the dolmen sites of Urdaibai is located.

Next, you will continue through Goierri and Zabale towards the summit of Sollube, passing by the Roman necropolis of Tribisburu.

After resting and enjoying the views from this mountain, begin the descent towards Gaztelugatxe and Matxitxako, enjoying its scenic beauty and natural interest.