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France
Brittany
Dinan

Saint-Cast-Le-Guildo

The best road cycling routes around Saint-Cast-Le-Guildo

4.5

(231)

5,632

riders

89

rides

Road cycling around Saint-Cast-Le-Guildo is characterized by its diverse coastal landscapes, featuring a mix of sandy beaches, rocky coves, and dramatic cliffs. The region includes the Emerald Coast, offering varied terrain with significant elevation changes and scenic bay views. Cyclists will find routes winding along estuaries, past historical sites, and through areas with expansive heathland.

Best road cycling routes around Saint-Cast-Le-Guildo

  • The most popular road cycling route is Guildo Castle – Frémur Bridge and Bay View loop from La Garde

Last updated: July 5, 2026

4.4

(21)

357

riders

#1.

Guildo Castle – Frémur Bridge and Bay View loop from Saint-Cast-le-Guildo

54.9km

02:24

460m

460m

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

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Moderate

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

Moderate
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Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

Moderate

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

Moderate

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

Moderate
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Popular around Saint-Cast-Le-Guildo

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

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

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Tips from the Community

Rainer Koenemann
June 17, 2026, Esplanade Saint Vincent

Very impressive. Part of the fortification.

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The Esplanade Saint-Vincent is the central square at the main entrance to the Old Town. It is located directly in front of the historic Porte Saint-Vincent and connects the city walls to the Plage du Sillon beach. The square serves as an important meeting point for visitors and locals and is the starting point for many city tours. It houses the Tourist Information Office, a large parking garage (Q-Park Saint-Vincent), public restrooms, charging stations for electric cars, bus stops, and a taxi stand. The esplanade is barrier-free and therefore easily accessible for people with limited mobility. It is also frequently used for markets, concerts, and cultural events.

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Genviève
September 14, 2025, Saint Pabu Plage

magnificent landscape that will take your breath away in both directions!

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At the Cottage

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nice viewpoint

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great sandy beach... exceptional length

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beautiful road and beautiful view

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Frequently Asked Questions

How many road cycling routes are available around Saint-Cast-Le-Guildo?

There are over 80 road cycling routes around Saint-Cast-Le-Guildo, offering a wide range of options for different skill levels. The komoot community has explored these routes over 1,000 times, highlighting the region's popularity among cyclists.

What types of landscapes can I expect on road cycling routes in Saint-Cast-Le-Guildo?

Road cycling in Saint-Cast-Le-Guildo offers a diverse mix of coastal scenery, from immense sandy beaches and secret coves to dramatic cliffs and expansive heathland, especially around Cap Fréhel. You'll also find routes winding along estuaries, such as the Arguenon, and through picturesque bay views.

Are there road cycling routes suitable for beginners or families in Saint-Cast-Le-Guildo?

Yes, Saint-Cast-Le-Guildo offers several easier road cycling routes, with 8 routes classified as 'easy' in the area. These typically feature well-paved surfaces and up to 300 meters (1,000 ft) of elevation gain, making them suitable for beginners or family outings. The region's greenways and coastal paths also provide gentler options.

What are some challenging road cycling routes in the Saint-Cast-Le-Guildo area?

For more experienced cyclists, there are 5 'difficult' routes and 73 'moderate' routes available. Moderate rides can involve up to 900 meters (3,000 ft) of elevation over five hours, while difficult routes tackle even greater elevation gains. Routes like the Cap Fréhel Coastal Path – View from Pléhérel Beach loop, with over 770 meters of elevation gain, offer a significant challenge and spectacular coastal vistas.

What historical landmarks or natural features can I see along the road cycling routes?

Many routes pass by significant landmarks and natural features. You can cycle past the historic Guildo Castle, or explore the dramatic clifftops and lighthouse at Cap Fréhel. The well-preserved 14th-century Fort La Latte is another majestic sight perched on a rock overlooking the sea. The region is also part of the stunning Emerald Coast, known for its vibrant sea color.

Are there any circular road cycling routes around Saint-Cast-Le-Guildo?

Yes, many of the road cycling routes in Saint-Cast-Le-Guildo are designed as loops, allowing you to start and finish at the same point. Examples include the Guildo Castle – Frémur Bridge and Bay View loop and the Isle Point – Cap Fréhel Lighthouse loop, which offer varied scenery and return to your starting location.

What is the best time of year for road cycling in Saint-Cast-Le-Guildo?

The region's mild climate makes it suitable for cycling for much of the year. Spring and autumn generally offer pleasant temperatures and fewer crowds. Summer is also popular, but routes can be busier. The Emerald Coast's beauty is captivating in all seasons, but checking local weather forecasts is always recommended.

Where can I find parking for road cycling routes in Saint-Cast-Le-Guildo?

Many routes start from accessible points with parking. For instance, the Isle Point – Cap Fréhel Lighthouse loop begins from Parking Sémaphore. It's advisable to check the specific route details on komoot for recommended starting points and parking availability.

What do other road cyclists enjoy most about cycling in Saint-Cast-Le-Guildo?

The area is highly rated by the komoot community, with an average score of 4.3 stars from more than 50 reviews. Reviewers often praise the diverse coastal landscapes, the combination of physical challenge with breathtaking views, and the well-maintained roads that make for an enjoyable cycling experience.

Are there opportunities to connect with larger cycling networks like La Vélomaritime?

Yes, Saint-Cast-Le-Guildo is part of larger cycling networks. The region's routes connect to segments of La Vélomaritime, an extensive cycle path running through Brittany and Normandy. Additionally, the Frémur Bridge hosts a greenway that is part of the Euro Vélo 4, offering further connectivity and scenic views.

Can I find cafes or places to stop for refreshments along the road cycling routes?

Given the popularity of Saint-Cast-Le-Guildo as a tourist destination, you will find various cafes, restaurants, and small shops in the towns and villages along many of the routes. Coastal towns and port areas, such as the Port of Notre-Dame du Guildo, are good places to plan refreshment stops.

What is the elevation gain like on road cycling routes in Saint-Cast-Le-Guildo?

The elevation gain varies significantly across routes. Easy routes might have up to 300 meters (1,000 ft) of climbing, while moderate routes can feature around 400-770 meters (1,300-2,500 ft) of elevation, such as the Guildo Castle – View of the Bay loop with 446 meters. The diverse coastal terrain means you can expect rolling hills and some challenging ascents, especially on routes near Cap Fréhel.

Most popular routes around Saint-Cast-Le-Guildo

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