Ключевые слова: cantabria, cantabrian mountains, cliff, environment, erosion, escarpment, facies, fresh, geology, glacial, grass, grassland, green, karst, karstic, landform, landscape, layering, limestone, lines, lithology, miera valley, mountain, natural, nature, outdoors, rain, relief, road, rock, rocky, rough, sandstone, scarp, scenery, scenic, sediments, slope, spain, spring, steep, strata, stratification, stratified, stratigraphy, valle del miera, valles pasiegos, vertical, wearing away,