The Caves of King "Cintolo" are a group of caves, of more than 7,500 meters length, in the outskirts of the City of Mondoñedo, Spain.
Of limestone formation, they include numerous stalactites and stalagmites. They were discovered by archaeologist José Villaamil y Castro in 1870.
Wikipedia https://en.wikipedia.org/wiki/Caves_of_King_Cintolo
Address 27748, Spain
Coordinates 43°23'40.26" N -7°22'16.821" E
