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Beach

La Fosse

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About

Explore this spot near Saint-Cast-le-Guildo. Popular location for swimming and paddling, kayaking, canoeing, surfing, supping, wind surfing, body surfing and body boarding. Saint-Cast-le-Guildo is a charming coastal town located in the Côtes-d'Armor department of the Brittany region in France. The area boasts picturesque scenery that includes sandy beaches, rugged cliffs, glittering bays, and tranquil forests. The town is situated on a narrow peninsula that juts out into the sea, offering stunning views of the surrounding landscape. The area is known for its pristine beaches such as Plage de Pen Guen, which is a popular spot for swimming and sunbathing. The coastal path that stretches along the peninsula is perfect for hiking and offers breathtaking views of the sea and cliffs. Visitors can also explore the nearby woodland of Montafilan, which is home to several walking trails. The town of Saint-Cast-le-Guildo itself is a charming blend of traditional Breton architecture and modern amenities. The town has a lively market and a range of restaurants serving delicious seafood, local specialties, and international cuisine. History lovers can also explore the castle ruins that date back to the 15th century. Overall, Saint-Cast-le-Guildo is a perfect destination for those seeking a relaxing seaside holiday with plenty of opportunities for outdoor activities and exploring the local culture and history.

Location

What swimmers say

Activities

Swimming

Landscape

Cliffs

Water sports

Surfing Kayaking SUP Bodyboarding Body surfing Canoeing Windsurfing

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Plan your swim

Before you go

  • Check tide times before entering. Incoming tides can cut off escape routes.
  • Watch for rip currents, especially near groynes and headlands
  • Cold water shock is real. Enter slowly and control your breathing.
  • Always swim with others or tell someone your plan
  • A tow float makes you visible to boats and other water users

Conditions change fast. Always check the latest data, read recent community reports, and swim within your ability.

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Frequently asked questions

Is this beach safe for swimming?

Check the Conditions tab for current wave height, swell and wind. Review the Quality tab for the latest Environment Agency classification. Always read recent community reports for local knowledge.

When is the best time to swim here?

Check the Tides tab for today's high and low times. Many coastal spots are best around high tide when there's enough water depth, or during slack water when currents are weakest.

What should I bring?

A tow float for visibility, warm layers for after, and footwear for rocky entries. In colder months, consider a wetsuit, gloves, and a swim cap.