4.5
(33)
344
runners
17
runs
Jogging around Glomel offers diverse landscapes for outdoor enthusiasts. The region is characterized by the central Lac de Glomel, extensive peat moors and wetlands within the Réserve Naturelle Régionale, and the historic Canal de Nantes à Brest, featuring the notable Grande Tranchée. These features provide varied terrain, from flat lakeside paths to more undulating trails in the foothills of the Montagnes Noires. Glomel's natural and engineered features create a compelling environment for running.
Last updated: July 4, 2026
5.0
(6)
56
runners
7.26km
00:52
30m
30m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
19
runners
10.4km
01:04
60m
60m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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13
runners
19.1km
02:12
150m
150m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(2)
11
runners
7.49km
00:48
40m
40m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
9
runners
6.25km
00:39
30m
30m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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A pretty iron bridge, built for farmers at the time. Here the path along the water was in a bad state in April 2026 (a warning was installed on one side of the section, but a detour through the forest is possible).
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This is one of the very few straight sections of the canal.
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Here the canal meanders through the landscape.
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A welcome breath of fresh air
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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.
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The dams for the Canal de Nantes à Brest create a lake from the waters of a little stream, the bike trail passes on the back of the levy
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This passage is the highest point of the canal. It was necessary to dig three million cubic meters of earth and rock to make the canal pass: as much as to build the largest pyramid in Egypt! The work was carried out in the 19th century by deserters imprisoned and sentenced to forced labor. Many did not survive the unimaginable working and hygienic conditions. A book “Les Bagnards du canal de Nantes à Brest” traces the little-known history of the builders of the canal from Nantes to Brest.
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To connect one valley with another, this was dug out by hand, the earth removed on men's backs and all with no machinery. This is the highest point of the canal. As you go along the path, look at how high the woodlands on either side are. It was cut through rock (schist). It is 3.5Km long. On one side was a camp, really a prison, where the 600 convicts, from the prison in Brest, were housed and who were forced to do this labour. Mostly they were deserters from the War with Spain. Dysentery, fever, matnutrition were all rife and on top of back breaking physical labour. After the 1830 Revolution, some prisoners broke out of the camp: some disappered into the surrounding countryside but 200 of them presented themselves to the Military authorities at Pontivy to have their new right to Liberty confirmed and recognised. The Camp was closed by 1832 and mostly destroyed by fire a few years later.
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There are over a dozen dedicated running routes around Glomel, offering a variety of experiences. These include 10 moderate trails and 5 more challenging options, ensuring there's something for every runner.
Glomel's jogging trails offer diverse terrain. You'll find relatively flat paths around picturesque lakes like the Etang du Korong and Lac de Kerdiston, as well as more undulating sections, particularly in the foothills of the Montagnes Noires. The historic Canal de Nantes à Brest and its impressive Grande Tranchée also provide unique running surfaces.
While there are no routes specifically marked as 'easy' in our current selection, many of the lakeside paths, such as sections around the Etang du Korong, offer relatively flat and accessible terrain suitable for families looking for a gentle jog. The Étang du Coroncq loop from Glomel is a moderate 6.6 km route that circles the scenic lake, which could be a good option for active families.
Glomel is generally welcoming to outdoor enthusiasts and their canine companions. While specific dog-friendly regulations can vary, most natural trails in the area, especially those away from protected wildlife breeding zones, are suitable for dogs on a leash. Always ensure your dog is under control and respect local signage, particularly around nature reserves like Lan Bern.
Glomel's routes offer several points of interest. You can run alongside the historic Canal de Nantes à Brest and marvel at the engineering feat of the Grande Tranchée. The picturesque Etang du Korong and Lac de Kerdiston provide beautiful waterside views. You might also encounter features like the Kerhun Lock No. 191 along the canal.
Yes, many of Glomel's running routes are designed as loops, allowing you to start and finish in the same location. Popular circular options include the Étang du Coroncq loop from Glomel and the The Glomel Cut – Kerdiston lake loop from Glomel, which combines natural beauty with historical features.
Parking is generally available near popular starting points for trails, especially around the major lakes and the Canal de Nantes à Brest. For instance, you'll likely find designated parking areas close to the Etang du Korong (Glomel Lake) and near access points for the Canal. Specific route descriptions on komoot often provide details on parking availability.
The running routes in Glomel are highly rated by the komoot community, with an average score of 4.5 stars from over 20 reviews. Runners often praise the diverse landscapes, from serene lakeside paths to the unique historical experience of the Canal de Nantes à Brest and its Grande Tranchée. The well-maintained trails and opportunities for wildlife spotting are also frequently highlighted.
While Glomel's routes are primarily categorized as moderate or difficult, beginners can find suitable options. The 1.7-kilometer flat, out-and-back pathway within the Lan Bern nature reserve is specifically designed for easy use. Additionally, sections of the Étang du Coroncq loop from Glomel offer relatively flat terrain around the lake, making it a good starting point for those new to jogging.
Glomel offers pleasant running conditions throughout much of the year. Spring and autumn provide mild temperatures and beautiful scenery, with changing foliage or blooming wildflowers. Summer is also popular, especially around the lakes, though it can be warmer. Winter running is possible, but be prepared for cooler, potentially wetter conditions, and check trail conditions for ice or mud.
Absolutely. For experienced runners seeking a challenge, Glomel offers several difficult routes. The Kerdiston lake – The Glomel Cut loop from Glomel, at 17 km, provides a substantial workout with varied terrain. Another demanding option is the Kerdiston lake – L'Écluse 150 loop from Réserve naturelle des landes et marais de Glomel, covering nearly 18 km with notable elevation changes.
While Glomel is a rural area, some public transport options might connect to nearby towns. However, direct public transport access to specific trailheads can be limited. It's generally recommended to have your own transport to reach the starting points of most running routes around Glomel, especially for those located further from the village center.


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