Descend into a whole other world at Grutas de Alvados & Grutas de Santo António. There's something fascinating to discover at almost every turn in this subterranean landscape.
You're spoiled for sightseeing choice when in Porto de Mos. Grutas de Alvados & Grutas de Santo António is a good place to begin here, but there are lots of other worthy places to consider. Mira de Aire Caves, Olhos de Água River Beach, and Natural Park of Aire and Candeeiros Mountains are near the natural underground attraction and will top off your day nicely.