There are three sets of caves open to the public in the natural park (and a fourth, Moeda, off the N356 road between Batalha and Fátima), but unless you are a real fan, a visit to one will probably suffice. The largest and most spectacular are the Grutas de Mira de Aire, 13km southeast of Porto de Mós. There’s parking right outside, or it’s a signposted one-kilometre walk from the town bus stop. The 45-minute guided tour ends up at a natural lake filled with fountains 110m below the surface, taking in a galaxy of stalactites, stalagmites and oddly shaped rock formations with curious names – “Octopus Gallery”, the “Organ”, the “Conch” – en route. To exit, you take the lift up and emerge beside the Parque Aquático water park (summer only), which is a great place to cool off – there are half-day and full-day tickets available for this, and you can visit independently of the caves. Outside on the road, several cafés and restaurants cater for the crowds.

 

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