Boca do Inferno
Cascais, Portugal
A collapsed sea cave where Atlantic waves crash and spray in rough weather, beside the coastal road west of Cascais. Free viewing platforms and a small car park.
- Nearest town
- Cascais, Portugal
- Category
- Nature & parks
- GPS
- 38.6914, -9.4304
Hours, fees and access change. Confirm with the operator or park before you go.
Good to know
Best time to go
The most pleasant months are usually April–June and September–November. Still fine, with some compromises, in July–August and December–March. (Estimate from long-term temperature averages, terrain and pass seasons)
Getting there
- Portugal: Electronic tolls by number plate. Some motorways only have electronic tolls; register your plate or rent a transponder. Motorway limit for cars: 120 km/h.
Featured in these trip guides
Nearby
.jpg){kind=link}
Campsites nearby
- Orbitur GuinchoCampsite5 km from Boca do InfernoTentsCaravans
- quinta 7 nomesCampsite14 km from Boca do InfernoWi-Fi
- Parque de Campismo INATEL da CaparicaCampsite17 km from Boca do Inferno
- Parque Nacional de Escotismo da Caparica (PNEC)Campsite17 km from Boca do Inferno
- Orbitur Costa da CaparicaCampsite17 km from Boca do InfernoTentsCaravansElectricityDrinking waterShowersToiletsWaste disposal
- Lisboa CampingCampsite20 km from Boca do InfernoTentsCaravansWi-Fi
All campsites in Portugal · Campsite data: © OpenStreetMap contributors, ODbL 1.0 · Updated October 3, 2026
FAQs
Where is Boca do Inferno?
Boca do Inferno is in Cascais, Portugal, at GPS 38.6914, -9.4304. It is about 13 km from Sintra.
Can you camp near Boca do Inferno?
Yes. The nearest campsite listed in OpenStreetMap is Orbitur Guincho, about 5 km away; within 25 km there are 19 campsites and motorhome stopovers.
Which road trips pass Boca do Inferno?
Boca do Inferno is a stop on these CampingSpirit trip guides: Lisbon to Sintra along the Cascais coast.
What is there to see near Boca do Inferno?
Places worth a stop nearby: Guincho beach (6 km), Palácio da Pena (11 km), Cabo da Roca (12 km) and Castle of the Moors (12 km).
When is the best time to visit Boca do Inferno?
The most pleasant months are usually April–June and September–November. Still fine, with some compromises, in July–August and December–March. (Estimate from long-term temperature averages, terrain and pass seasons)