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France

Pays de la Loire

Château de la Groulais – Bongarant Chapel loop from Chantenay

Routes

France

Pays de la Loire

Château de la Groulais – Bongarant Chapel loop from Chantenay

Hard

riders

Château de la Groulais – Bongarant Chapel loop from Chantenay

06:26

108km

560m

Gravel riding

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: May 17, 2026

Tips

Includes a segment in which cycling is not permitted

After 55.4 km for 301 m

Waypoints

Start point

Train Station

Get Directions

14.0 km

Small Stone Bridge

Highlight • Bridge

A quiet route and a route for the small jump!

Translated by Google •

Tip by

15.2 km

Castle of the Crosses

Highlight • Castle

Beautiful chateau. The site has been occupied since the 17th century, but the castle in its current form dates from 1888.

Translated by Google •

Tip by

43.5 km

View of the Isac dam and the Nantes-Brest canal from Bout du Bois

Highlight • Viewpoint

This passage runs along several hundred meters of the dike which separates the Isac river from the Nantes-Brest canal. Always nice to see two rivers side by side.
The surroundings are very quiet and with shade if necessary.

Translated by Google •

Tip by

47.5 km

Canal de Nantes à Brest

Lake

54.0 km

Lock 11 — La Prée

Highlight • Structure

A lock among others? No, because here you can have your bike repaired! This repair workshop is ideal because it is located along the Vélodyssée.

Translated by Google •

Tip by

55.7 km

Château de la Groulais

Highlight • Castle

The Château de la Groulais was the largest fortress in the region at the time and was the home of several personalities, including Olivier V de Clisson and Marie Bonaparte, etc.

Translated by Google •

Tip by

56.6 km

Port of Blain

Highlight • Rest Area

It is a fairly active port on the Nantes-Brest Canal, with a capacity for up to 30 pleasure craft and 3 barges. Bars, restaurants, and public restrooms are available.

Translated by Google •

Tip by

58.9 km

Bois de Beaumont

Forest

69.0 km

Moulin de Foucré

Highlight • Monument

The mill in question is not located there but at the intersection of rue Beau Soleil / La Croix Rouge. The mill is also called "Moulin de Foucré".

Translated by Google •

Tip by

92.1 km

Bongarant Chapel

Highlight • Other

Legend has it that in the 15th century the Duke of Brittany François II encountered a wild boar while hunting and fell. He then vowed to build a chapel if he escaped death. It did.

Translated by Google •

Tip by

108 km

End point

Train Station

Way Types & Surfaces

Way Types

40.0 km

36.4 km

20.5 km

5.87 km

4.70 km

896 m

Surfaces

38.2 km

30.4 km

26.6 km

12.9 km

162 m

Elevation

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

Highest point (80 m)

Lowest point (10 m)

Weather

Monday 25 May

34°C

20°C

0 %

Additional weather tips

Max wind speed: 17.0 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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Château de la Groulais – Bongarant Chapel loop from Chantenay

Small Stone Bridge

Castle of the Crosses

View of the Isac dam and the Nantes-Brest canal from Bout du Bois

Lock 11 — La Prée

Château de la Groulais

Port of Blain

Moulin de Foucré

Bongarant Chapel

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