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Bike touring routes & trails

Towards Dinan – Guildo Castle loop from Trégon

Bike touring routes & trails

Towards Dinan – Guildo Castle loop from Trégon

Moderate

4.6

(8)

67

riders

Towards Dinan – Guildo Castle loop from Trégon

02:18

37.0km

290m

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: March 3, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

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

Waypoints

A

Start point

Bus stop

Get Directions

1

671 m

Ascent to Trégon

Highlight (Segment) • Trail

Nice passage along the national which allows to go up towards the village of Tregon

Translated by Google •

Tip by

2

13.7 km

Towards Dinan

Highlight • Other

Very long greenway

Translated by Google •

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3

14.3 km

Historic train station

Highlight • Other

On the former railway line, lies the Plesin - Trigavou train station, beautifully preserved and painted.

Translated by Google •

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4

32.5 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

5

32.6 km

It's worth it!

Highlight • Other

Super break leg climb from the east and impressive view of the mouth

Translated by Google •

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6

33.5 km

View of Gilles de Bretagne Castle from Pont René Pleven

Highlight • Viewpoint

From the bridge, enjoy the view of the ruins of the castle on the right bank of the Arguenon. In the 15th century, Gilles van Bretagne lived here, a poet …

Translated by Google •

Tip by

7

33.7 km

St Cast vers pointe du Chevet

Highlight • Other

8

34.1 km

Le Guildo

Highlight • Settlement

The clean houses are in a side street on the left (when you drive to the ruin). So don't rush!

Translated by Google •

Tip by

B

37.0 km

End point

Bus stop

Way Types & Surfaces

Way Types

28.0 km

4.59 km

1.73 km

1.70 km

655 m

300 m

Surfaces

18.4 km

13.1 km

4.47 km

1.06 km

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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 (80 m)

Lowest point (0 m)

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Weather

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Saturday 16 May

15°C

9°C

-- %

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

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