Boca do Inferno (means:”Hells Mouth”) is a scenic cliff formation with a big cave, located just 1,5 Kms west of Cascais. On days when Ocean gets rough, big waves Crash against the cliff face to shout out a Big Sound trough “Hells Mouth” !
This was one of those days @ Boca Inferno:
If day is calm there won’t be much of a sound, that doesn’t mean you should try This:
Nearby you have to try the Famous Hot Dogs in Cascais
(Walk 3 min up, in opposite direction of Cascais center)
Address: Avenida Rei Humberto II de Italia 241, Cascais 2750-800