Couëron Ferry – Martinière Canal loop from La Basse-Indre - Saint-Herblain

Couëron Ferry – Martinière Canal loop from La Basse-Indre - Saint-Herblain

Moderate

4.5

(10)

270

riders

Couëron Ferry – Martinière Canal loop from La Basse-Indre - Saint-Herblain

04:21

109km

340m

Road cycling

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride. The route includes a crossing by ferry. The starting point of the route is accessible with public transport.

Last updated: October 1, 2026

This route includes a ferry crossing

Tips

Temporary access restrictions

Includes segments with temporary access restrictions. Check ahead to confirm restricted segments are open to the public.

After 13.3 km for 484 m

Waypoints

Start point

Train Station

Get Directions

12.8 km

Marais Audubon

Highlight • Natural

The Couëron marshes, known as the Audubon marshes, are part of the vast group of estuarine marshes located near the Loire and closely linked to its regime. They represent 13% …

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13.2 km

Couëron Ferry

Highlight • Bridge

A free ferry allows you to cross the Loire every 20 minutes. Info and timetables: inforoutes.loire-atlantique.fr/44/bacs-de-loire/bac-de-loire-liaison-coueron-le-pellerin/info_60323

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16.5 km

Martinière Canal

Highlight (Segment) • Other

Bumpy road surface, still suitable for a road bike, flat and hardly any traffic.

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24.2 km

Champs neufs triple lock

Highlight • Other

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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39.2 km

Nantes saint brevin les pins

Highlight • Other

48.5 km

Carrelets de la pointe de l'Imperlay

Highlight • Other

Pretty beach with the Saint-Nazaire bridge in the background

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73.2 km

The Blue Hole

Highlight • Structure

Three old granite quarries, abandoned in 1980, which naturally filled with water to form beautiful blue ponds, popular with fishermen. Many of the cobblestones of Nantes and Nazaire streets come from this place.

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74.8 km

The Port House

Highlight • Cafe

This beautiful residence, which currently houses a crêperie, served as a model for the Maison dans la Loire, a work that can be seen in Couëron.
The small port in …

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109 km

End point

Train Station

Way Types & Surfaces

Way Types

75.1 km

18.4 km

8.57 km

4.99 km

1.78 km

462 m

Surfaces

99.8 km

7.39 km

1.19 km

534 m

172 m

135 m

Elevation

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

Weather

Tuesday 13 October

22°C

10°C

0 %

Additional weather tips

Max wind speed: 4.0 km/h

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Comments

February 19, 2023,Boucle de l'estuaire de la Loire

Finally ! I've wanted to do this loop for so long!!
Lots of cyclists on the north shore, and I was able to make a short passage over the finish line of the Lavau race:P

On the other hand, always nice to pass in the middle of the signs "Hunting in progress, attention". Even if the group of hunters told …

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October 22, 2023,Tour de l'Estuaire

Di2 at 20% battery from the start, and flat power meter 😅 I was afraid of not being able to change gear to pass the Pont de Cheviré so I did everything on the big plateau and played from time to time with the pinions.. Result: Still 20% on arrival 😂

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