Skip to content

Boca do Inferno

Cascais, Portugal

Nature

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.

Featured in these trip guides

Nearby

Campsites nearby

All campsites in Portugal · Campsite data: © OpenStreetMap contributors, ODbL 1.0 · Updated September 29, 2026