Beach of Cobijeru Nature · Llanes, Oriente, Asturias Image of Llanes, not of the place itself. An inland beach set back from the coast, with no visible opening to the sea, which fills through underground galleries cut in the limestone; the karst complex was declared a natural monument on 5 December 2001. Photo: Lali Masriera from Barcelona, Catalunya (CC BY 2.0) What to see and do in Llanes