Mira de Aire Caves

Local nameGrutas de Mira de Aire
LocationPorto de Mós, Portugal

The Moinhos Velhos Cave, is one of the most important cave systems known in the Portuguese Maciço Calcário Estremenho, with about 9 km in extension. It is characterized by the existence of two fóssil paragenetic main conduits of about one decametre in diameter with dendritic tributaries, and a set of semi-active passages in a dendritic pattern at the north and angulate at the south. The fossil zone has a drop of 100 metres and the thickness of intermediate zone varies from 80 metres upstream to 60 metres downstream. Water flows in syngenetic galleries, from the northern to the southern quadrant, towards Gruta da Pena spring.

It's possible to distinguish four genetic phases in the cave system development. The first one is represented by superficial phreatic galleries of small diameter, the second one by the Galeria Gémea paragenetic main conduit, the third one by the Galeria Grande and his tributaries and the last one by the active and semi-active galleries of the lower cave levels.

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Opening hours

Oct - Mar: 9:30 am - 5:30 pm
Apr - May: 9:30 am - 6 pm
June, Sep: 9:30 am - 7 pm
Jul - Aug: 9:30 am - 8 pm

Admission

Adults: € 6,50
Children (5 - 12): € 3,80
Children (under 5): free

More information and contact

Wikipedia https://en.wikipedia.org/wiki/Moinhos_Velhos_Cave

Official website http://www.grutasmiradaire.com/

Facebook https://www.facebook.com/pages/Grutas-de-Mira-de-Aire/109680939064863?sk=info&tab=page_info

Email geral@grutasmiradaire.com

Phone +35 244 440 322

Coordinates 39°32'24.893" N -8°42'14.665" E

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