South of Lac de Grand-Lieu – Saint-Rachoux footbridge loop from Port-Saint-Père - Saint-Mars

Mountain biking trails

South of Lac de Grand-Lieu – Saint-Rachoux footbridge loop from Port-Saint-Père - Saint-Mars

Moderate

3.9

(30)

riders

South of Lac de Grand-Lieu – Saint-Rachoux footbridge loop from Port-Saint-Père - Saint-Mars

04:31

67.3km

190m

Mountain biking

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels. The route includes a crossing by ferry. The starting point of the route is accessible with public transport.

Last updated: August 9, 2026

This route includes a ferry crossing

Tips

Includes a ferry crossing

Check ferry timetable.

After 49.0 km for 44 m

Waypoints

Start point

Train Station

Get Directions

15.2 km

South of Lac de Grand-Lieu

Highlight • Lake

simple in summer but muddy outside the hot season.

Translated by Google •

Tip by

38.0 km

Port d'hiver - Passay - Lac de Grand Lieu

Viewpoint

47.6 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 …

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Tip by

51.2 km

Site to come and relax, admire the flora and fauna on the shores of Lake Grand-lieu. Arrangement that respectfully blends into the decor for a lovely moment of reverie and history with the Saint-Rachoux fountain located at the entrance.

Translated by Google •

Tip by

55.7 km

Lake path between Bouaye and Saint Aignan de Grand Lieu

Highlight (Segment) • Trail

Shaded walking path, accessible to all, along the marshes of Lake Gd Lieu.
At the end, Coté St Aignan, you absolutely must continue to the equally unmissable site of "Pierre …

Translated by Google •

Tip by

60.6 km

Tour of Lake Grand Lieu

Highlight • Other

67.3 km

End point

Train Station

Way Types & Surfaces

Way Types

29.0 km

20.6 km

8.14 km

6.03 km

3.41 km

225 m

< 100 m

Surfaces

33.5 km

20.1 km

12.0 km

926 m

544 m

358 m

Elevation

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

Weather

Wednesday 21 October

16°C

11°C

93 %

Additional weather tips

Max wind speed: 22.0 km/h

to get more detailed weather forecasts along your route

Comments

July 28, 2025,VTT # Tour du lac de Grand Lieu

A beautiful day for this outing, which I hadn't done on a mountain bike since 2017.
A truly unique route that's a change from the ordinary, always enjoyable in dry and warm weather.
For lovers of wide open spaces, greenery, and birdwatching, this trail is a great source of inspiration.
I didn't use my usual counterclockwise trail, but this time …

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September 10, 2024,Boucle Le Martipontain - Bac – Passerelle Saint-Rachoux au départ de Port-Saint-Père - Saint-Mars

Excellent circuit !!!
Practically only path and tracks, except the end rather road. Passage of the Ognon in chain ferry, extra! The Martipontain. The chain was twisted, it took me a good half hour to cross...
2 falls in the narrow rooted passages.
Passages in the fields of cows and also oxen 🐂 quite impressive all the same 🥴
A …

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