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Routes
Road cycling routes
France
Brittany
Saint-Brieuc
Erquy

The Marsh Bridge – Guildo Castle loop from Les Jeannettes - rond-point

Routes
Road cycling routes
France
Brittany
Saint-Brieuc
Erquy

The Marsh Bridge – Guildo Castle loop from Les Jeannettes - rond-point

Moderate

23

riders

The Marsh Bridge – Guildo Castle loop from Les Jeannettes - rond-point

04:09

94.0km

840m

Road cycling

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is accessible with public transport.

Last updated: May 12, 2026

Tips

The surface along some of this route may not be suitable

Some segments of your route comprise a surface that may not be suitable for your chosen sport.

After 1.39 km for 434 m

After 2.68 km for 109 m

After 22.8 km for 430 m

Waypoints

A

Start point

Bus stop

Get Directions

1

2.44 km

The Marsh Bridge

Highlight (Segment) • Bridge

Wooden bridge especially for walkers and cyclists. Goes nicely over the beginning/end of the sea cove.

Translated by Google •

Tip by

2

10.1 km

Port à la Duc

Highlight • Settlement

3

23.0 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 …

Translated by Google •

Tip by

4

30.3 km

Contemplating low tide 🏝

Highlight • Other

And yes, the ocean has tides and sometimes the landscape looks more like a swamp than a tide.

Translated by Google •

Tip by

5

35.6 km

Lancieux Windmill

Highlight • Monument

Beautiful beautiful old windmill

Translated by Google •

Tip by

6

37.2 km

Saint-Jacut Bay

Highlight • Other

7

39.9 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.

Translated by Google •

Tip by

55.9 km

Menhir de Trigavou

Archaeological Site

B

94.0 km

End point

Bus stop

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Way Types & Surfaces

Way Types

47.8 km

38.1 km

5.33 km

1.53 km

1.32 km

< 100 m

Surfaces

89.5 km

3.31 km

889 m

408 m

< 100 m

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Elevation

Elevation

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

Highest point (110 m)

Lowest point (0 m)

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Weather

Powered by Foreca

Monday 25 May

32°C

18°C

0 %

Additional weather tips

Max wind speed: 13.0 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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