Save places from Instagram, TikTok, YouTube and more
Boca do Inferno
Attraction
4.6 (40651 reviews)
These scenic oceanfront cliffs feature a natural archway & open cave created by pounding waves.
Av. Rei Humberto II de Itália 642, 2750-800 Cascais, Portugal
Did You Know?
Admission
The Boca do Inferno is free to visit, with no entrance fee for the viewing platform.
Typical Visit Duration
A typical visit to the Boca do Inferno takes around 20 minutes, but can be shorter if you're part of an organized tour.
Best Time to Visit
The Boca do Inferno is best experienced during stormy winter days when waves crash through the sea arch. However, be aware that the viewpoint may be closed during storms.
Cliffside Caution
The cliffs at Boca do Inferno can be dangerous, and visitors should exercise caution. There have been instances of people being swept off or slipping down the cliffs.
Highlights from Reviews
• dramatic scenery
The rugged cliffs and crashing waves create a dramatic and memorable experience.
• sunset views
Many reviewers highlight the stunning sunset views as a major draw.
• photo opportunities
The natural rock formations and powerful waves offer great photo opportunities.
• easy access
The site is easily accessible by walking or cycling from Cascais, making it a convenient destination.
• free admission
Admission is free, making it an attractive option for budget-conscious travelers.
Featured in
Five Day Trips from Lisbon
Cascais, Parque Marechal Carmona, Quinta da Regaleira
Cascais Coastal Charm And Attractions
Cascais, Praia da Rainha, Farol Museu de Santa Marta
Cascais: Coastal Charm and Scenic Delights
Cascais, Santa Maria House Museum, Praia do Guincho
Cascais and Sintra: Portuguese Riviera Attractions
Quinta da Regaleira, Cabo da Roca, Praia do Guincho
Cascais: Beaches, Markets, and Local Eats
Praia do Guincho, Mercado da Vila, House of Wonders
Cascais: Beaches, Parks, and Riviera Charm
Cascais, Praia do Guincho, Cascais City Hall
Cascais: Coastal Beauty and European Living
Cascais
Coastal Gems of Cascais
Cascais Marina, Citadel of Cascais, Praia Nossa Senhora da Conceicao
Coastal Gems of Portugal's Riviera
Quinta da Regaleira, Cabo da Roca, Praia do Guincho
Cascais Attractions From Beaches To Lighthouses
Praia da Rainha, Cais do Sodre, Farol Museu de Santa Marta
Cascais: Coastal Charm and Historic Sights
Cascais, Museu Condes de Castro Guimarães, Praia da Rainha