Boca Do Inferno, Cascais

Currently Open
  • Address: Cascais, Portugal
  • Timings: 24-hrs Details
  • Phone: +3512-13463658
  • Time Required: 01:00 Hrs
  • Tags: Outdoors, Geological Formation, Tourist Center, Family And Kids, Street Food, Nature
  • Map

About Boca Do Inferno, Cascais

Portuguese for ‘Hell’s Mouth’, Boca do Inferno is a rift formation at one of the seaside cliffs in Cascais. The intense and mysterious name of the chasm and its natural beauty make it a popular tourist attraction.

The chasm seen on the cliff of ‘Hell’s Mouth’ is the result of strong water waves crashing onto the cliff surface rapidly and repeatedly. This caused the surface to collapse, giving it a mouth like natural arch. During summer the waters merely make a soothing splash. But in winters, the full force of the Atlantic waves comes crashing onto the cave and is quite a dramatic sight.

Legend has it that an evil sorcerer lived in a castle on these cliffs. He abducted a beautiful woman and held her captive in the castle. She was discovered by a man who fell in love with her and helped her escape. The jilted sorcerer unleashed a dreadful storm to destroy the rocks where the women and her beau walked thus causing the large gaping hole.

  • Tourists can take a closer look at Boca do Inferno by climbing down the cliff from one of many designated pathways.
  • Boca do Inferno is also one of the best places to purchase souvenir items. There are stalls close to the cliff site which offer a good deal on many lovely little items. 

The area has many cafés and restaurant. But if you are not in the mood to sit and dine, you can purchase a nice little snack from the wandering vendors. 

Boca Do Inferno Information

  • Boca do Inferno is a 40 minute walk from the town centre.
  • If the waves get too high, the path down to the cliff’s mouth may be closed off for safety purposes. 

Restaurants Near Boca Do Inferno

  • Restaurante Mar do Inferno
  • La Bonne Etoile
  • Jardim Cerveja

Love this? Explore the entire list of things to do in Cascais before you plan your trip.

Fancy a good night's sleep after a tiring day? Check out where to stay in Cascais and book an accommodation of your choice.

TripHobo Highlights for Boca Do Inferno

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Boca Do Inferno, Cascais Reviews

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  • This is truly a stunning place. It is unique each time, depending in the tide, the wind... On some days you can be in for a majestic demonstration of the ocean power! A must see! Amazing for sunsets too... it's about 20-30 minutes walk from the train station of Cascais.

  • Epic sunset spot!!!! Loved it. There are a bunch of little souvenir stores and a restaurant at the entrance. That was tacky! There are public restrooms for a small fee. Coming here is super worth it... especially by bike. There are nice streets and bike lanes if you pedal from caiscais. I've been here quite a few times in a short time.

  • A beautiful landmark where you can surely take amazing pictures. Sadly the way down was closed the day we went due to construction, but it’s definitely worth it to visit Boca do Inferno with friends or even alone, especially to enjoy the sunset.

  • Incredible place, mesmerizing. I couldn't stop taking photos and videos, and then I just stopped and sat quietly in the sound of the ocean and the sea birds. It's wonderful place to visit, a must see if you're in Cascais. It even deserves a trip from Lisbon if you're visiting the Portuguese capital. I will come back one day!

  • Loved it. It's stunning to see what nature can do in time. Unfortunatly the ocean was calm and didn't get to see the full effect of the waves crashing againts the rocks. The smell of the ocean is truly amazing.

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