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Boca do Inferno

Northern section of Cascais, Cascais, Portugal
+351 21 482 5000
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USD 69.47*
and up
Sintra, Cascais and Estoril Coast Half-Day Trip from Lisbon
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USD 65.87*
and up
Sintra and Cascais Small-Group Full-Day Tour from Lisbon
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USD 86.24*
and up
Sintra Day Trip from Lisbon
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  • Excellent46%
  • Very good34%
  • Average16%
  • Poor3%
  • Terrible1%
Travellers talk about
“hell's mouth” (23 reviews)
“on the rocks” (22 reviews)
“the cliff” (24 reviews)
Northern section of Cascais, Cascais, Portugal
+351 21 482 5000
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Reviews (2,808)
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11 - 20 of 805 reviews

Reviewed 4 weeks ago

Worth a quick stop while in the Cascais area. There is some history to this rock formation that results in unusual wave action. Best to have some background before viewing.

Thank jfro1232017
Reviewed 4 weeks ago via mobile

There were not much to see becauce the weather Washington so fine and there were no wind or waves. You should go there on a windy day.

Thank Anssi R
Reviewed 4 weeks ago via mobile

If you’ve seen any of the many amazing blow holes or coastal caves around the world don’t get too excited about this! It’s worth 5-10 mins max but really not that interesting and not really worth a detour from Cascais centre.

Thank LimehouseTraveller
Reviewed 4 weeks ago via mobile

It is a beautiful place for a view and a picture, provided you can make it when the crowd is not there. So early morning is probably the best moment or depending on the season also late afternoon/ early eve?! During the quiet moments you...More

Thank Alessandra F
Reviewed 21 October 2017

Stopped briefly here on a trip from Lisbon to Cabo da Roca. It was a nice quiet day and, although the surrounding cliffs were interesting, it probably would be even more so during the Winter or a storm when the waves would more forcibly crash...More

Thank gatorboyOrlando_FL
Reviewed 18 October 2017

It's a lovely walk from the center of Cascais to Boca do Inferno, the "Mouth of Hell", takes about 20-30 minutes or an hour if you stop at many of the scenic spots along the way as we did. It is well worth the walk...More

Thank Matt P
Reviewed 17 October 2017

This is a great natural attraction of portugal's coastal area. Though it's a bit far from the nearby rail station (Cascais) with a 20 minutes of walking distance, but the palace is worth to visit. The walking path is nice to walk as the road...More

Thank Nazia B
Reviewed 16 October 2017

Walking distance from Cascais, this is one of best the spots in Cascais. Boca do Inferno is known by the sea view and also the restaurant - Mar do Inferno.

Thank Miguel2770
Reviewed 16 October 2017

We, tourist are to too manny times treated as cattle. Well, we let others to trat us as that. No doubt, seaside rocks are always treat for eyes...but.....Such-a combination of sea-cave and steep rocks can be found on Adriatic nearly "behind every coastal corner". You...More

Thank Borut B
Reviewed 15 October 2017

a beautiful geological formation ! must see if you are in cascais....15min walk from cascais center !

Thank Gustavo I
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Nearby Attractions
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Museu Condes de Castro
270 reviews
.82 km away
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Questions & Answers
24 July 2016|
AnswerShow all 7 answers
Response from Andrea G | Reviewed this property |
It's definitely easier to get to Boca do Inferno from Cascais. It's just a 20 minute walk along the water from the centre of town.