There are a number of blowholes known as bufones along the Asturian coast, the best of which is perhaps the Bufones de Arenillas near the village of Puertas de Vidiago. Closeby is the similarly spectacular Bufón de Santiuste. Both of these blowholes are capable with the right tide of throwing up noisy shoots of water as high as 40 metres. They were formed by karstic and wave action. Bracing stuff.
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