The story of Boca do Inferno
The cave roof collapsed long ago, leaving a natural arch and deep chasm.
In 1930 a famous occultist staged his fake disappearance here.
Waves crashing into a sea cave.
Where it is & how to get there
Address: Av. Rei Humberto II de Itália, 2750 Cascais
- On foot: 20 minutes along the coast from Cascais.
- Bike: Free town bikes.
- Bus: Local buses to Guincho.
Best time to visit
Best season
Autumn and winter for big waves.
Best time of day
Sunset.
Calm days
Less dramatic in summer.
Tips before you go
- Best on stormy days.
- Stay on the viewing platforms.
- Continue to Guincho by bike.
Best hotels near Boca do Inferno
Well-known hotels within easy reach. Check prices and availability for your dates.
What's around Boca do Inferno
- Cascais20 minutes on foot.
- Guincho Beach15 minutes by car.
- Cabo da Roca25 minutes by car.
Questions travellers ask
Is it free?
Yes.
How long do I need?
30 minutes.
Is it safe?
Yes, from the platforms.
