Mira d'Aire Grottoes

Explore the Mira d'Aire Grottoes, one of the 7 nature wonders of Portugal.

Mira d'Aire Grottoes
Mira d'Aire Grottoes
© João Leitão

The mystic Mira d'Aire Grottoes make up one of the most visited grottoes complex in the country. It is 15 kilometres far from Fátima, in a village called Mira d'Aire, located on the right to the N 243 road at the entrance of Serra d'Aire, towards Porto de Mós.

These caves, also known as Moinhos Velhos Grottoes, were discovered in 1947 and nowadays are the largest in Portugal. They are connected by artificial tunnels that make up 4 kilometres, of which it is possible to visit approximately 600 metres. Their slope is 110 metres.


The spiral-shape itinerary has 683 steps and at its end you’ll find a lifter to go back.

The largest grottoes are: the Great Room, 60 metres high and 45 wide; and the Red Room, which reddish colour in the walls comes from the iron oxide. At the end of the gallery is the Great Lake, where waters from streams and the Black River fall.

Outside the grottoes it offers a bar, an animals farm and a small water park.

More information:


Grutas de Mira d'Aire, Leiria, Portugal.

Ticket price:

Children under 5: Free admission.
Children between 5 and 11: 3,70e.
Older than 12: 6,40e.

The ticket price per person in a group of more than 20 persons is 5,75e.

Opening hours:

From October to March from 9:30 to 17:30.
From April to September from 9:30 to 18:00.
June from 9:30 to 18:00.
From July to August from 9:30 to 20:00.

Grottoes are open all the year long, including Sundays and Bank holidays.


(+351) 244 440 322.

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