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Hiking trails & Routes
France
Brittany
Guingamp
Glomel

Hiking loop from Réserve naturelle des landes et marais de Glomel

Routes
Hiking trails & Routes
France
Brittany
Guingamp
Glomel

Hiking loop from Réserve naturelle des landes et marais de Glomel

Moderate

3.0

(2)

7

hikers

Hiking loop from Réserve naturelle des landes et marais de Glomel

02:06

8.10km

50m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: August 20, 2026

Waypoints

A

Start point

Parking

Get Directions

1

93 m

Great Trench of the Nantes to Brest Canal

Highlight • Monument

At an altitude of 184 m, the Glomel trench is the highest point of the Nantes-Brest canal and the watershed between the Blavet and Aulne basins. The canal project and its passage through the center of Brittany dates back to Vauban, the decision and the route to Napoleon. The impressive trench allows the Aulne and Blavet watersheds to communicate via the canal.
The Grande Trenche of the Canal from Nantes to Brest was dug in the 19th century by deserters from the army of Louis XVIII. The 4000 convicts of Glomel had to move as much earth and rock as was necessary for the construction of a great pyramid in Egypt. It took 9 years to create this trench, more than 3 kilometers long, 100 meters wide and 23 meters deep.

Translated by Google •

Tip by

2

4.06 km

B

8.10 km

End point

Parking

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Way Types & Surfaces

Way Types

6.66 km

719 m

682 m

< 100 m

Surfaces

4.80 km

2.53 km

623 m

110 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.

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Weather

Powered by Foreca

Tuesday 1 September

22°C

11°C

0 %

Additional weather tips

Max wind speed: 20.0 km/h

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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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