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Martinière Lock – Champs neufs triple lock loop from Le Grand Chemin

Martinière Lock – Champs neufs triple lock loop from Le Grand Chemin

Easy

riders

Martinière Lock – Champs neufs triple lock loop from Le Grand Chemin

00:49

21.5km

40m

Road cycling

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: August 23, 2026

Waypoints

Start point

Bus stop

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1.96 km

Martinière Lock

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The bike path to here follows, for 15 kilometers, the channel of Martinière (or officially Canal Maritime de la Basse Loire). This canal runs along the south bank of the …

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9.57 km

The Champs-Neufs lock bridge

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The bridge of the Champs-Neufs lock (in Frossay) is distinguished by its riveted metal mesh railings and its wooden deck.
Designed during the creation of the Canal de la Martinière …

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9.66 km

The Canal Machinery

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Located in the place called Champs-Neufs in Frossay, La Machinerie du canal housed two imposing steam engines capable of pumping up to 150,000 m³ of water per day to maintain …

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9.71 km

Champs neufs triple lock

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The triple lock of Les champs neufs, located in Frossay on the Canal de la Martinière, is a masterpiece of 19th-century river engineering:
* A cascade crossing: Unlike a simple …

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10.2 km

Cordemais power plant

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In the distance, the Cordemais power station appears before our eyes, offering verticality to the flatness of its surroundings.

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11.6 km

Champs Neufs Lock on the Basse-Loire maritime canal

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The Champs Neufs lock is located on the Martinière canal, built between 1882 and 1892 to move boats assembled in Nantes to the Atlantic Ocean. With the increase in the …

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16.2 km

Buzay breakthrough

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Allows excess water to flow from the marshes to the Loire in winter and, conversely, to replenish the marshes and canals in summer.

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19.6 km

Canal maritime de la Basse Loire

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Good bike path next to the canal...

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21.5 km

End point

Bus stop

Way Types & Surfaces

Way Types

21.5 km

Surfaces

21.2 km

320 m

< 100 m

Elevation

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

Weather

Tuesday 1 September

24°C

12°C

0 %

Additional weather tips

Max wind speed: 18.0 km/h

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Martinière Lock – Champs neufs triple lock loop from Le Grand Chemin

Martinière Lock

The Champs-Neufs lock bridge

The Canal Machinery

Champs neufs triple lock

Cordemais power plant

Champs Neufs Lock on the Basse-Loire maritime canal

Buzay breakthrough

Canal maritime de la Basse Loire

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