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Routes
Bike touring routes & trails
France
Pays de la Loire
Nantes
Saint-Aignan-Grandlieu

Vallon de la Chaussée – Trejet port loop from Saint-Aignan-Grandlieu

Routes
Bike touring routes & trails
France
Pays de la Loire
Nantes
Saint-Aignan-Grandlieu

Vallon de la Chaussée – Trejet port loop from Saint-Aignan-Grandlieu

Moderate

5.0

(4)

12

riders

Vallon de la Chaussée – Trejet port loop from Saint-Aignan-Grandlieu

02:15

31.1km

90m

Cycling

Moderate bike ride. 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 13, 2026

Waypoints

A

Start point

Bus stop

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1

18.1 km

Port de Passay

Highlight • Viewpoint

One of the places, not so numerous, from which one can observe the lake of Grand-Lieu.

Translated by Google •

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2

19.0 km

Passay Woods

Highlight • Forest

In the continuity of the flow of the stream of the Chaussée, a fairly rolling path crosses a pleasant wood, before joining the place des Pêcheurs, in Passay

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3

21.0 km

Vallon de la Chaussée

Highlight • Other

Hiking circuit, accessible by bike, along the Chaussée stream. Very kind.

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4

23.7 km

Trejet port

Highlight • Viewpoint

Nice little port from Trejet to La Chevrolière.
Picnic tables, shaded lawn and possibility of fishing.
Very pleasant for a refueling stop.

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5

26.0 km

The ecrocher

Highlight (Segment) • Other

6

28.6 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 •

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B

31.1 km

End point

Bus stop

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Way Types & Surfaces

Way Types

13.0 km

11.4 km

4.06 km

1.92 km

734 m

Surfaces

12.8 km

9.92 km

8.11 km

223 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

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Thursday 21 May

32°C

13°C

-- %

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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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