4.6
Coastal walks & sea cliffs
Boca do Inferno
Lisbon, Portugal
Boca do Inferno, or 'Hell's Mouth', is a breathtaking cliff formation near Lisbon, where Atlantic waves crash into a rugged chasm. The natural spectacle is known for its thunderous sound and powerful displays, especially exciting during high waves.
Good to know
- Best months
- Apr–Oct
- Getting there
- Best as a day trip
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