Bakio to Gaztelugatxe Coastal Path

The coastal path from Bakio to San Juan de Gaztelugatxe follows the cliff top of the Bizkaia coast, about 35 km north-east of Bilbao in the Basque Country, Spain. The walk starts at the Mirador de Bakio, in the village of Bakio, and runs about 2 km to the Urizarreta entrance, with the hermitage at roughly 3.9 km according to a Wikiloc listing. Bizkaibus line A3518 links Bilbao Termibus with Bakio. Drivers should note that access to Gaztelugatxe itself is regulated, and a free timed ticket is required on many days, available at tiketa.eus/gaztelugatxe; walking in from Bakio does not remove the need to check the rules on the official Bizkaia page. The total return time is about 2 to 3 hours including the climb to the chapel. The distance is short and the walk is rated easy on length, though the Urizarreta approach is steep, reported on the official page as about 1,200 m at a 35% gradient. The surface is a mix of footpath, stone and concrete steps. The chapel, on an islet joined to the mainland by a stone bridge, is reached by 241 steps that become slippery in wet weather. Exposure to wind and sea spray is high, and there is little shade along the cliff path. Landmarks include the coastline views back toward Bakio and the rock formations around the islet, and the chapel is the natural turn-around point. Water and shelter are not available on the trail, so visitors should carry water and a rain jacket. The path can be extended toward Cape Matxitxako for a longer coastal outing. Visitors should keep to marked routes and respect the sanctuary, which remains an active place of pilgrimage.