Las Caldas cave


Las Caldas Cave and the surrounding partial nature reserve is a protected area covering 45 hectares within the Nalón Valley in the Municipality of Oviedo in the vicinity of the towns of La Piñera and Las Caldas.
The cave itself has a length of about 600 m and has three entrances. The main cavity is around 5 m high and contains a subterranean river. The cave has no particular geological significance but it is important for the wildlife and archaeological sites from the Solutrean and Magdalenian periods located there.
Bats living in the cave include the medium mouse-eared bat, cave bat, greater horseshoe bat, lesser horseshoe bat and Natterer's bat.
Archeological excavations in the cave have become one of the most important Upper Paleolithic sites in the Asturias region. Finds from the cave are of exceptional quality and include amongst others: