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Château des Jamonières – Route de la Berderie loop from Rezé - Pont-Rousseau

Château des Jamonières – Route de la Berderie loop from Rezé - Pont-Rousseau

Moderate

4.4

(106)

958

riders

Château des Jamonières – Route de la Berderie loop from Rezé - Pont-Rousseau

02:44

66.2km

280m

Road cycling

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: August 7, 2026

Tips

The surface for a segment of your route may not be suitable

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

After 54.6 km for 87 m

Waypoints

Start point

Train Station

Get Directions

22.2 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.

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26.9 km

Château des Jamonières

Highlight • Other

A neoclassical-inspired castle built in 1881 on an area of over 12 hectares with two ponds, its small forest, its meadow and its vines. In 1882, it was acquired by …

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31.2 km

Route de la Berderie

Highlight (Segment) • Cycleway

Small tree-lined road crossing the marshes bordering the lake of Grand-lieu with a refurbished asphalt. Little traffic.

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43.9 km

Grand-Lieu Lake Nature Reserve

Highlight • Other

Superb walk along the lake

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46.0 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

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46.1 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 …

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54.7 km

Tour du lac de grand lieu

Highlight • Lake

66.2 km

End point

Train Station

Way Types & Surfaces

Way Types

56.8 km

7.75 km

1.30 km

248 m

117 m

< 100 m

Surfaces

58.7 km

7.18 km

193 m

148 m

102 m

Elevation

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

Weather

Tuesday 18 August

28°C

18°C

69 %

Additional weather tips

Max wind speed: 28.0 km/h

to get more detailed weather forecasts along your route

Comments

June 21, 2026,Grand-Lieu Lake Loop from Southern Nantes

Phew! Ever since I arrived in Nantes, I noticed this course and have been thinking about it regularly. I initially planned a loop to Rouans, but somehow I changed my mind after seeing a similar activity by @Jérôme on Komoot (whom I take the opportunity to thank for sharing). Despite leaving at 10 am, it still got quite hot by …

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May 7, 2025,Sortie à vélo sur route

Frequent stops. Adjusting my air conditioning. A first for me. Pretty good feeling. Just getting used to it.

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February 14, 2023,Tour du Lac de Grand Lieu

Great legs <3 (and probably an average of 33.5km/h if I hadn't been blocked by a heavy school truck all over the center of Bouaye..)

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Château des Jamonières – Route de la Berderie loop from Rezé - Pont-Rousseau

Saint-Philibert-de-Grand-Lieu Abbey Church

Château des Jamonières

Saint-Lumine-de-Coutais

Route de la Berderie

Grand-Lieu Lake Nature Reserve

Window over Lake Grand-Lieu

The Acheneau

Tour du lac de grand lieu

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