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Routes
Road cycling routes
France
Pays de la Loire
Nantes
Port-Saint-Père

Le Tenu – Le Martipontain - Ferry loop from Port-Saint-Père - Saint-Mars

Routes
Road cycling routes
France
Pays de la Loire
Nantes
Port-Saint-Père

Le Tenu – Le Martipontain - Ferry loop from Port-Saint-Père - Saint-Mars

Moderate

5.0

(1)

10

riders

Le Tenu – Le Martipontain - Ferry loop from Port-Saint-Père - Saint-Mars

02:54

63.0km

240m

Road cycling

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

Last updated: September 16, 2026

Tips

The surface along some of this route may not be suitable

Some segments of your route comprise a surface that may not be suitable for your chosen sport.

After 45.7 km for 354 m

After 47.9 km for 87 m

After 51.7 km for 674 m

Waypoints

A

Start point

Train Station

Get Directions
1

366 m

Le Tenu

Highlight • River

Beautiful views from the bridge over the Acheneau River and the Château de Saint-Mars de Coutais.

Translated by Google •

Tip by

2

29.6 km

Saint-Philibert-de-Grand-Lieu Abbey Church

Highlight • Religious Site

Of this important 9th century abbey, all that remains today is the very beautiful abbey church, a priory and the gardens.

Translated by Google •

Tip by

3

45.9 km

Le Martipontain - Ferry

Highlight • Bridge

Make your outing a bit unique by crossing the river "L'Ognon" aboard the Martipontain. A barge that allows you to cross to the other side by pulling on the chain …

Translated by Google •

Tip by

4

47.9 km

Tour du lac de grand lieu

Highlight • Lake

5

52.0 km

Lake Grand-Lieu, Pierre Aiguë site

Highlight • Lake

Accessible to everyone except in winter when the lake doubles its size.

Translated by Google •

Tip by

6

58.2 km

The Acheneau

Highlight • River

A place on the bridge overlooking the Acheneau river. The river is 30 km long. An interesting point is that this watercourse has such a slight slope that its course …

Translated by Google •

Tip by

7

58.2 km

Window over Lake Grand-Lieu

Highlight • Other

The lake is a natural site and an ornithological reserve and its access is very limited to the public. There are not so many views on this one. You can find them on the lacdegrandlieu.com website

Translated by Google •

Tip by

8

60.3 km

Grand-Lieu Lake Nature Reserve

Highlight • Other

Superb walk along the lake

Translated by Google •

Tip by

B

63.0 km

End point

Train Station

Loading

Way Types & Surfaces

Way Types

51.7 km

8.12 km

1.86 km

1.05 km

243 m

138 m

Surfaces

37.8 km

23.8 km

1.14 km

234 m

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Elevation

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

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Weather

Powered by Foreca

Wednesday 4 November

11°C

5°C

0 %

Additional weather tips

Max wind speed: 5.0 km/h

to get more detailed weather forecasts along your route

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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