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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

(9)

81

riders

Towards Dinan – Guildo Castle loop from Trégon

02:16

36.2km

300m

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: August 28, 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

1

672 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

14.3 km

Towards Dinan

Highlight • Other

completely flat, straight, in the shade, and sheltered from cars. Brilliant

Translated by Google •

Tip by

3

14.9 km

Historic train station

Highlight • Other

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

Translated by Google •

Tip by

4

31.8 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

31.8 km

It's worth it!

Highlight • Other

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

Translated by Google •

Tip by

6

32.8 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

32.9 km

St Cast vers pointe du Chevet

Highlight • Other

8

33.3 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

36.2 km

End point

Bus stop

Way Types & Surfaces

Way Types

27.1 km

3.54 km

2.40 km

1.76 km

743 m

655 m

Surfaces

18.8 km

12.5 km

3.54 km

1.38 km

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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

Powered by Foreca

Sunday 11 October

22°C

13°C

-- %

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