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Routes
Running trails & routes
France
Pays de la Loire
La Roche-Sur-Yon
Saint-Mars-La-Réorthe

Boistissandeau Castle – Raidillon du Mont Mercure loop from Saint-Mars-la-Réorthe

Routes
Running trails & routes
France
Pays de la Loire
La Roche-Sur-Yon
Saint-Mars-La-Réorthe

Boistissandeau Castle – Raidillon du Mont Mercure loop from Saint-Mars-la-Réorthe

Hard

28

runners

Boistissandeau Castle – Raidillon du Mont Mercure loop from Saint-Mars-la-Réorthe

07:27

63.4km

850m

Running

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: April 20, 2026

Waypoints

A

Start point

Bus stop

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1

12.8 km

Landreau Trail

Highlight • Other

28.2 km

Bois d'Ardelay

Forest

3

29.4 km

Boistissandeau Castle

Highlight • Castle

This castle has a rich history of use as private property, as a place of scientific experimentation in the 18th century, and even as a place of refuge for young …

Translated by Google •

Tip by

4

55.8 km

Raidillon du Mont Mercure

Highlight (Segment) • Other

In my opinion, the best route to reach the top of Mont Mercure, with a final at 17%, and to spice up the ascent: a little gravel on the asphalt, …

Translated by Google •

Tip by

B

63.4 km

End point

Bus stop

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Way Types & Surfaces

Way Types

38.6 km

14.1 km

5.07 km

3.45 km

1.85 km

247 m

< 100 m

Surfaces

28.8 km

10.8 km

10.1 km

8.87 km

3.24 km

1.53 km

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Elevation

Elevation

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

Highest point (280 m)

Lowest point (90 m)

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Weather

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Wednesday 27 May

34°C

17°C

9 %

Additional weather tips

Max wind speed: 13.0 km/h

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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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