A circular route branching off the main GR TRAIL 280, and taking us through the towns of Zamudio, Lezama and Larrabetzu, and back to our starting point. This stage of the trail shows us a wealth of heritage sights, including the towers of Zamudio and Lezama, the royal-chartered town of Larrabetzu, the church of Goikoeleizalde, and numerous remains of the infamous Iron Belt of Bilbao.
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