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

Routes

Bike touring routes & trails

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

Moderate

riders

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

02:51

45.8km

420m

Cycling

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: May 14, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc naturel régional Vallée de la Rance - Côte d'Émeraude

Waypoints

Start point

Bus stop

Get Directions

3.42 km

View of Béchet Beach

Highlight • Viewpoint

As we approach Saint-Briac-sur-Mer via the mouth of Frémur, the bay with the long arc of the Plage du Béchet lies before us. The Balcon d'Émeraude, the shore road of …

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4.23 km

Saint-Briac-sur-Mer offers an alternation of seaside and countryside landscapes, beautiful jagged coastlines, white sand beaches and coves... which have made it one of the most popular seaside resorts on the …

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5.03 km

Frémur Bridge and Bay View

Highlight • Bridge

Nice view of the bay on this bridge which connects the Côtes d'Armor and Ille et Vilaine by crossing the Frémur.

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5.11 km

Frémur Viaduct, Saint-Briac-sur-Mer

Highlight • Other

This bridge allows you to cross the Frémur estuary, the natural border between Ille-et-Vilaine and Côtes-d'Armor.

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6.80 km

Old Bell Tower of the Former Saint-Cieux Church in Lancieux

Highlight • Monument

In the center of Lancieux stands, in the midst of a small walled garden, the belfry of the old Romanesque local church from the 15th century, built in 1740. The church itself was demolished in 1904.

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7.31 km

Saint-Sieu Beach

Highlight • Other

At this western end of the Sait-Sieuc beach a rocky outcrop creates the separate Caducet beach. There are public restrooms and water fountains. Small restaurants overlook the beach promenade.

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16.4 km

Beaussais Beach and Bay

Highlight • Beach

Beaussais Beach in Trégon is located at the bottom of Lancieux Bay. It is a beach which, alongside those of nearby Saint-Jacut, struggles to compare. At the bottom of the …

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18.7 km

Guildo Castle

Highlight • Castle

The ruins of the Château du Guildo rise above the mouth of the Arguenon.
The castle was once the property of Prince Gilles of Brittany, whom his own brother, Duke …

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38.6 km

La Pièce Perrot

Forest

45.8 km

End point

Bus stop

Way Types & Surfaces

Way Types

25.7 km

13.5 km

2.61 km

2.51 km

1.48 km

< 100 m

Surfaces

28.1 km

16.3 km

1.29 km

181 m

< 100 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (70 m)

Lowest point (0 m)

Weather

Tuesday 19 May

19°C

12°C

32 %

Additional weather tips

Max wind speed: 20.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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

View of Béchet Beach

Saint-Briac-sur-Mer

Frémur Bridge and Bay View

Frémur Viaduct, Saint-Briac-sur-Mer

Old Bell Tower of the Former Saint-Cieux Church in Lancieux

Saint-Sieu Beach

Beaussais Beach and Bay

Guildo Castle

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