

Small historic tidal mill (Molino de mareas Marierrota) on the Urdaibai estuary — photogenic stone building, wooden sluices and tidal channels framed by reed marshes and birdlife. Visit at sunrise or golden hour for warm side light and reflections; late winter/early spring for migratory birds. Site is roadside-accessible with limited parking nearby; mostly free to photograph from public paths. Low tide reveals textures and sluice details; high tide gives reflections and watery foregrounds. Part‑


Small historic tidal mill (Molino de mareas Marierrota) on the Urdaibai estuary — photogenic stone building, wooden sluices and tidal channels framed by reed marshes and birdlife. Visit at sunrise or golden hour for warm side light and reflections; late winter/early spring for migratory birds. Site is roadside-accessible with limited parking nearby; mostly free to photograph from public paths. Low tide reveals textures and sluice details; high tide gives reflections and watery foregrounds. Part‑