The Tour du Lac de Grand Lieu is a hiking trail organized around a main circuit of 73 km, which allows you to understand the diversity of landscapes and natural spaces of the lake.
The walking track has been classified as GR® de Pays by Fédération Française de Randonnée Pédestre (FFRP) (association of French walking clubs) since 2016, which is a guarantee of the route quality.
The route crosses the 9 communes situated around Grand Lieu lake :
- Pont-Saint-Martin,
- La Chevrolière,
- Saint-Philbert-de-Grand- Lieu,
- Saint-Lumine de Coutais,
- Saint-Mars de Coutais,
- Port-Saint- Père,
- Saint-Léger-Les-Vignes,
- Bouaye
- Saint-Aignan de Grand-Lieu.