Mundaka forms part of the Urdaibai Biosphere Reserve which is an area of high environmental value as declared by UNESCO. There are valuable wetlands linked to the inlet, a huge variety of bird species, native forests, and the special geological formation of its coast. The small fishing harbour is lovely and there are some exceptional eateries where you can enjoy the typical tapas while you wait for the swell. There are two excellent viewing points at the top of Portuondo and from the village watchtower. Mundaka is the starting point for the trekking route that follows the river to Guernica town and others that go through Urdaibai. It’s possible to do other things like windsurfing at Laida beach, mountain biking, sailing, canoeing, running etc.