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France

Pays de la Loire

Châteaubriant-Ancenis

Héric

Lock 11 — La Prée – Blain 44 loop from L'Écobut

Routes

France

Pays de la Loire

Châteaubriant-Ancenis

Héric

Lock 11 — La Prée – Blain 44 loop from L'Écobut

Moderate

5.0

(6)

riders

Lock 11 — La Prée – Blain 44 loop from L'Écobut

02:18

47.5km

70m

Gravel riding

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: August 16, 2026

Waypoints

Start point

Parking

Get Directions

785 m

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 •

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6.78 km

Pas d'Héric Lock on the Nantes to Brest Canal

Highlight • Structure

This is lock number 6 coming from Nantes

Translated by Google •

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9.12 km

Haie Pacoret Lock

Highlight • Structure

Lock number 5, located exactly 30 kilometers from lock number 1, the Saint-Félix lock in Nantes

Translated by Google •

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10.2 km

Rabinière lock

Highlight • Rest Area

One of the 238 locks on the Nantes-Brest Canal.

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21.7 km

L'Isac dam on the Nantes-Brest canal

Highlight • Other

The canal offers very beautiful walks accessible to everyone with small more technical passages such as "the single hidden" near the dike. Opposite the end of wood beach is very nice too.

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26.8 km

Canal de Nantes à Brest

Lake

30.1 km

Terrier Lock

Highlight • Other

Lock number 10. Very friendly welcome at the lock house, which offers drinks, ice creams, etc. And the terrace under the trees is really nice.

Translated by Google •

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33.3 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

34.8 km

Blain 44

Highlight • Structure

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

47.5 km

End point

Parking

Way Types & Surfaces

Way Types

38.5 km

5.09 km

2.23 km

956 m

561 m

142 m

< 100 m

Surfaces

34.8 km

9.59 km

1.55 km

1.36 km

183 m

Elevation

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

Weather

Tuesday 18 August

25°C

18°C

78 %

Additional weather tips

Max wind speed: 32.0 km/h

to get more detailed weather forecasts along your route

Comments

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Lock 11 — La Prée – Blain 44 loop from L'Écobut

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

Pas d'Héric Lock on the Nantes to Brest Canal

Haie Pacoret Lock

Rabinière lock

L'Isac dam on the Nantes-Brest canal

Terrier Lock

Lock 11 — La Prée

Blain 44

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