Boca do Inferno (Hell’s Mouth) Rock Arch – Cascais Citadel loop from Cascais
Boca do Inferno (Hell’s Mouth) Rock Arch – Cascais Citadel loop from Cascais
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Boca do Inferno (Hell’s Mouth) Rock Arch – Cascais Citadel loop from Cascais
02:12
8.29km
80m
Hiking
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is accessible with public transport.
Last updated: March 16, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Waypoints
Start point
Bus stop
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1.31 km
Boca do Inferno (Hell’s Mouth) Rock Arch
Highlight • Natural Monument
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1.86 km
View of the rocky coast near Boca do Inferno
Highlight • Viewpoint
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2.26 km
Condes de Castro Guimarães Museum
Highlight • Castle
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2.96 km
Cascais Citadel
Highlight • Castle
Here is a summary of what makes it special:
1. Living History
The Citadel is not just a ruin; it is a restored fortification with three main parts:
The Fortress of Nossa Senhora da Luz: Built between the 15th and 17th centuries to defend the coast from pirates and Spanish troops.
The Royal Palace: It became the summer residence of the Portuguese Royal Family in the late 19th century (King D. Luís I). Because of this, Cascais transformed from a fishing village into a "Court town," attracting the aristocracy.
Presidential Residence: Today, the Palace is still an official summer residence for the President of Portugal, but parts of it can be visited (guided tours are often available via the Museum of the Presidency).
2. The "Art District" (Modern Twist)
A few years ago, the Citadel was revitalized. It now houses a luxury hotel (Pestana Cidadela) and the Cidadela Art District.
Open Courtyards: You can walk freely into the fortress courtyards. It is no longer a closed military zone.
Galleries & Studios: The old barracks have been converted into art galleries, studios, and bookshops. It is very common to see artists working there.
"Déjà Lu" Bookshop: A charming charity bookshop located inside the complex, highly recommended for book lovers.
3. What to Do
Walk Through: It serves as a perfect connection between the Marina and the Culture Centre/Marechal Carmona Park.
See the Views: The walls offer great angles for photos of the marina and the sea.
Cultural Stop: Visit the Palace museum or simply wander the Art District to see contemporary sculptures contrasting with ancient stone walls.
Summary: It is a place where you can see 16th-century cannons and 21st-century modern art in the same 10-minute walk.
Tip by
3.62 km
View of Cascais
Highlight • Viewpoint
The bay offers an iconic mix of a traditional fishing village and the aristocratic "Portuguese Riviera." You will see colorful fishing boats anchored in calm blue waters, framed by the historic Citadel and elegant palaces rising from the rocks.
Best Spots to See It:
Hotel Baía Rooftop: The most famous spot for a panoramic, aerial view of the entire bay and town.
Praia da Ribeira (Main Square): The best ground-level view to get close to the fishing boats and the beach.
The Citadel & Marina: Offers a beautiful "reverse" view, looking back at the town, which is stunning at sunset.
Insider Tip: Walk just past the bay to the Santa Marta Lighthouse. The view of the lighthouse and the bridge over the water is arguably the most photogenic spot in Cascais.
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4.24 km
5th of October Square, Cascais Town Hall and Statue of Dom Pedro I
Highlight • Monument
Cascais has a rich history dating back to the Lower Paleolithic.
In the 14th century, it was a fishing and farming village dependent on Sintra.
On June 7, 1364, the inhabitants of Cascais petitioned King Pedro I to elevate the village to the status of a town, which was granted. This marked the beginning of its administrative and judicial autonomy.
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4.26 km
Cascais Town Museum (Museu da Vila)
Highlight • Historical Site
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4.76 km
Cascais Citadel (Fortress of Our Lady of Light)
Highlight • Castle
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8.29 km
End point
Bus stop
Way Types & Surfaces
Way Types
3.31 km
2.47 km
2.31 km
148 m
< 100 m
Surfaces
3.76 km
3.36 km
1.09 km
< 100 m
< 100 m
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Friday 15 May
17°C
12°C
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Max wind speed: 35.0 km/h
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