flysch of zumaia and deba, next to the cantabrian sea in euskadi, basque country

basque beach biotope cantabrian cantabrico coast coasts country deba euskadi euskal flysch formation formations geological geology geopark gipuzkoa guipuzcoa herria itziar landscape mareal marine mendata natural nature next ocean protected rasa rock rocks rocky sakoneta sea shore spain stone strata tidal tourism travel vacation water zumaia zumaya