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Coulonges-Sur-L'Autize

Steep climb in Mervent — 21% – Mervent Dam loop from Coulonges-sur-l'Autize

Coulonges-Sur-L'Autize

Steep climb in Mervent — 21% – Mervent Dam loop from Coulonges-sur-l'Autize

Moderate

riders

Steep climb in Mervent — 21% – Mervent Dam loop from Coulonges-sur-l'Autize

02:45

57.0km

700m

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 right next to a parking lot.

Last updated: May 14, 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 21.3 km for 189 m

After 31.7 km for 785 m

Waypoints

Start point

Parking

Get Directions

788 m

View of the Vendée River

Highlight • Viewpoint

Lovely spot to take in all the nature in this area.

Tip by

17.0 km

Steep climb in Mervent — 21%

Highlight (Segment) • Climb

Only a 500m climb but it averages 10% and peaks at 21% around the second bend. A great hill to attack full gas and beat the KOM.

Tip by

19.8 km

Climb in the Forest of Mervent

Highlight • Climb

in the full forest of uneven up to 16% a real corner 🤩 and in the heart of this superb forest of mervent

Translated by Google •

Tip by

21.3 km

Forêt domaniale de Mervent-Vouvant

Forest

25.0 km

Pierre Brune Hill

Highlight (Segment) • Climb

From the Pierre Brune dam, climb with a high percentage and hairpin bends in the forest that give the impression of being in a small mountain pass.
One-way passage in …

Translated by Google •

Tip by

30.1 km

Mervent Dam

Highlight • Lake

Both a place of natural beauty and a lair of James Bond villains, this place is nothing short of spectacular.

Translated by Google •

Tip by

41.3 km

Foussais-Payré, a small town of character

Highlight • Other

Labeled a small town of character, Foussais-Payré is a village dominated by Renaissance architecture. The town reached its peak there thanks to the flourishing activity of clothiers, tanners and weavers, …

Translated by Google •

Tip by

57.0 km

End point

Parking

Way Types & Surfaces

Way Types

53.3 km

1.58 km

995 m

744 m

432 m

Surfaces

48.5 km

7.58 km

733 m

188 m

Elevation

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

Highest point (110 m)

Lowest point (30 m)

Weather

Sunday 12 July

33°C

23°C

22 %

Additional weather tips

Max wind speed: 17.0 km/h

to get more detailed weather forecasts along your route

Comments

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Steep climb in Mervent — 21% – Mervent Dam loop from Coulonges-sur-l'Autize

Coulonges-sur-l'Autize

St Hilaire des Loges

View of the Vendée River

Steep climb in Mervent — 21%

Climb in the Forest of Mervent

Pierre Brune Hill

Mervent Dam

Foussais-Payré, a small town of character

Nearby routes

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