The Top 7 Caves around Sintra
Looking to visit a cave around Sintra on your next adventure? To help you better plan your next outdoor experience, we’ve collected Sintra’s 7
best caves for you. Based on the experiences of other users, each is a recommendation you know you can trust — so you can better plan your next adventure.
best caves for you. Based on the experiences of other users, each is a recommendation you know you can trust — so you can better plan your next adventure.
Last updated: October 26, 2025
Boca do Inferno Rock Arch
Highlight • Natural Monument
The Boca do Inferno (hell's mouth) is a submerged by the sea steep coast on the Atlantic Ocean. It is located about two kilometers west of Cascais and can be reached on foot or by city bus.
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Labyrinth Grotto (Quinta da Regaleira)
Highlight • Cave
The Quinta da Regaleira is full of symbolism in its gardens and buildings. One of the most enigmatic places is the Labyrinth Grotto, next to the lake. It is believed …
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Caves of Vale da Calada
Highlight • Cave
Necropolis caves of Vale da Calada:
"The small village of Olelas, twenty or so kilometers from Lisbon, to the Northwest, and about 800m east of the Sabugo station, on the …
"The small village of Olelas, twenty or so kilometers from Lisbon, to the Northwest, and about 800m east of the Sabugo station, on the …
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Cliffside Stone Dwellings
Highlight • Cave
A well hidden place.
Not hard to find and reach.
Sadly no way through to the near beach anymore.
Please keep clean and safe
Not hard to find and reach.
Sadly no way through to the near beach anymore.
Please keep clean and safe
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Cova de Frei Honório
Highlight • Cave
The Cova do Frei Honório is a small grotto located within the grounds of the Capuchos Convent, in the Serra de Sintra region of the parish of Colares. This place …
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Extend your search for the best caves by checking out these guides of the top ones around Sintra:
Sintra (São Martinho)Sintra (São Pedro De Penaferrim)Rio De MouroSão João Das LampasOeirasSintra (Santa Maria E São Miguel)TerrugemPêro PinheiroAlgueirão-Mem MartinsCascaisEstorilAlcabidecheCascais e Estoril e Estoril e EstorilSão Domingos De RanaColaresSintra-Cascais Natural ParkNational Park Sintra-CascaisAlmargem Do BispoAgualvaQueluz e Queluz e Queluz e BelasSão MarcosMira-SintraMassamáBarcarenaCacémMontelavarMata de SintraPorto Salvo
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