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Running trails & routes

Serein Valley – Étang de l'Étunel loop from Treffendel

Running trails & routes

Serein Valley – Étang de l'Étunel loop from Treffendel

Hard

5.0

(2)

133

runners

Serein Valley – Étang de l'Étunel loop from Treffendel

02:31

20.9km

250m

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: September 16, 2026

Waypoints

A

Start point

Bus stop

1

3.66 km

Serein Valley

Highlight • Other

In this small valley where the colors change with the seasons, the calm flow of the Serein brings a certain sweetness to your walk.

Translated by Google •

Tip by

2

5.15 km

Rocky Ridges

Highlight • Natural Monument

a shot of the beautiful rocky areas bordering this stunning hilly trail

Translated by Google •

Tip by

3

17.6 km

Serpentaire" mountain bike and bmx terrain

Highlight • Other

4

18.6 km

View of the Moulin de l'Étang de l'Étunel

Highlight • Viewpoint

5

18.6 km

Étang de l'Étunel

Highlight • Lake

North of Treffendel, Etunel pond is a large body of water appreciated by locals and tourists alike. On the sometimes tight tracks that border its shore, be vigilant when cyclists …

Translated by Google •

Tip by

B

20.9 km

End point

Bus stop

Way Types & Surfaces

Way Types

13.6 km

3.18 km

2.98 km

811 m

245 m

Surfaces

13.5 km

3.76 km

2.21 km

1.28 km

< 100 m

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Elevation

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Weather

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Thursday 8 October

18°C

9°C

-- %

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