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France
Brittany
Dinan

Saint-Cast-Le-Guildo

The best running trails around Saint-Cast-Le-Guildo

4.4

(35)

2,317

runners

73

runs

Jogging around Saint-Cast-Le-Guildo offers a diverse mix of coastal paths, sandy beaches, and rugged headlands. The region is characterized by its 18 km of varied coastline, featuring fine sand beaches and dramatic cliffs. Runners can explore elevated points like Pointe de la Garde, which provide both challenging terrain and expansive sea views. Beyond the immediate coast, the area includes green landscapes and natural sites such as the Plurien lagoon, offering varied environments for running.

Best jogging routes around Saint-Cast-Le-Guildo

  • The…

Last updated: May 8, 2026

4.5

(6)

464

runners

#1.

Port Jacquet – View of Château de Latte loop from Saint-Cast-le-Guildo

10.6km

01:10

90m

90m

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Moderate

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate
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Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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Popular around Saint-Cast-Le-Guildo

The Customs Officers’ Path – GR 34 between Erquy and Saint-Malo

Hiking around Saint-Cast-Le-Guildo

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The Customs Officers’ Path – GR 34 between Erquy and Saint-Malo

Hiking Collection by

SimonWicart

Tips from the Community

Bertier
August 22, 2025, Plage des Quatre Vaux

At the Cottage

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Magnificent beach with few people, one of Brittany's great assets

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Nicolas Vergnaud
September 10, 2024, Port Jacquet

This pretty marina is very pleasant for a stroll. A promenade provides access to the beach and the town centre of Saint-Cast-le-Guildo.

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The stairs are relatively steep and long, so it's better to walk instead of run. There is also a steep ravine for those who don't like steps.

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The tip of the Isle looks out over the Atlantic, placid. There you will find a semaphore, an orientation table, and a cannon dating from the mid-18th century. Legend has it that the cannon was found at the foot of the cliffs, more than 200 years after its fall.

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Nice section of the GR34, also marked by the VTT-22. Technical passages with steep inclines alternate with relaxed cruising. Lots of hikers in the season. Contrary to other statements, the further route towards Saint Cast is not passable.

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Nice walk between the large beach and the port

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Fantastic view of the bay, the sea (when it's there) and Fort Latte in the background.

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Frequently Asked Questions

How many running routes are available in Saint-Cast-Le-Guildo?

Saint-Cast-Le-Guildo offers a wide selection of running routes, with over 70 trails available for you to explore. These routes cater to various fitness levels, ranging from easy strolls to more challenging runs.

Are there any easy running routes suitable for beginners or a relaxed jog?

Yes, Saint-Cast-Le-Guildo has several easy running routes. For instance, the Port Jacquet – Saint-Cast loop is a moderate 3.2-mile (5.2 km) path that offers scenic views and is a great option for a more relaxed pace.

What kind of terrain can I expect on the running trails in Saint-Cast-Le-Guildo?

The running trails in Saint-Cast-Le-Guildo offer a diverse mix of terrain. You can expect coastal paths, expansive sandy beaches like Grande Plage and Plage de Pen Guen, and rugged headlands. Some routes also venture into greener areas and natural sites such as the Plurien lagoon, providing varied environments for your run.

Can I run along the famous GR34 coastal path in Saint-Cast-Le-Guildo?

Absolutely! The renowned GR34 coastal path is a highlight for runners in Saint-Cast-Le-Guildo, with 18 km of accessible trails within the commune. This path provides unexpected views and breathtaking panoramas, allowing you to discover secret coves and typical houses along the Emerald Coast.

Are there any long-distance running routes for experienced runners?

For those seeking a longer challenge, the Côte d'Émeraude Beach – Isle Point loop is a difficult 24.7 km (15.4 miles) trail. This route offers extensive coastal views and a more demanding experience for seasoned runners.

What are some scenic points of interest or landmarks I can see while running?

Many running routes offer stunning views and pass by notable landmarks. You can enjoy magnificent seascapes from the Fresnaye Trail, or catch glimpses of the historic Fort La Latte from various coastal paths and beaches. The Pointe du Chevet and Pointe de la Garde also provide spectacular viewpoints over the coastline and islands like Les Ebihens archipelago.

Are there circular running routes available?

Yes, many routes in Saint-Cast-Le-Guildo are designed as loops, offering convenient circular runs. Examples include the Pointe du Sémaphore – Côte d'Émeraude Beach loop and the Isle Point – Port Jacquet loop, allowing you to start and finish at the same point.

What do other runners say about the trails in Saint-Cast-Le-Guildo?

The running routes in Saint-Cast-Le-Guildo are highly rated by the komoot community, with an average score of 4.4 stars from over 30 reviews. Runners often praise the diverse coastline, sandy beaches, and well-maintained coastal paths that define the area's unique running experience.

Is Saint-Cast-Le-Guildo a good destination for family-friendly running or walking?

Yes, the region's diverse landscapes and varied trail difficulties make it suitable for families. Many of the easier coastal paths and beach runs are perfect for a family outing, combining exercise with beautiful scenery. The area's 'little haven of greenery' also offers pleasant, less strenuous options.

Are there any specific recommendations for running along the beaches?

Saint-Cast-Le-Guildo boasts 7 magnificent fine sand beaches, including the expansive Grande Plage and scenic Plage de Pen Guen. These offer excellent opportunities for beachfront runs, especially at low tide. More secluded beaches like La Mare and La Pissotte also provide breathtaking views for a unique running experience.

What is the best time of year to go running in Saint-Cast-Le-Guildo?

The 'blue-green waters of the Emerald Coast' provide a stunning backdrop year-round. While summer offers warm weather for beach runs, spring and autumn can be ideal for cooler temperatures and fewer crowds on the coastal paths. Even in winter, the dramatic coastal scenery can be invigorating, though some paths might be more exposed to the elements.

Are there any trails that offer views of castles or historical sites?

Yes, several routes provide views of historical sites. The well-preserved 14th-century Fort La Latte is visible from the GR34 and various beaches, adding a cultural element to your run. You might also encounter Guildo Castle ruins along some trails.

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