Serras de Aire e Candeeiros Nature Park

The Aire and Candeeiros Ranges Natural Park is a natural park in the Central-West region of Portugal. It occupies an area of 383.9 km2 and is the most important limestone deposit in Portugal, with a variety of geological formations and climate associated with karst geomorphology and topography, such as underground caves and sinkholes. It was designated a protected area in 1979 with the intent to preserve its natural aspects, and the architectonic and cultural heritage linked to the local human populations.