GR-123 Vuelta a Bizkaia, Etapa 13 Bakio - Plentzia: https://www.bizkaia.eus/es/gr123/etapa/-/asset_publisher/ANte0czxRqC8/content/etapa-13-bakio-plentzia/880303
GR-123 Vuelta a Bizkaia, Etapa 12 Sukarrieta - Bakio: https://www.bizkaia.eus/es/gr123/etapa/-/asset_publisher/ANte0czxRqC8/content/etapa-12-sukarrieta-bakio/880303
Below the structure, there is the mill that harnessed the tides. The sluice gates are still there, but not the metal wheels.
The Romanesque-style Church of Mary Magdalene, dating from the 13th century.
The only visible element remaining of the medieval wall that once surrounded the town.
3518 bus links Bakio to Bilbao and runs every hour and takes about 45 minutes.