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Routes
Bike touring routes & trails
France
Normandy
Bernay
Sainte-Opportune-La-Mare

Tour – Les Chaumières loop from Sainte-Opportune-la-Mare

Routes
Bike touring routes & trails
France
Normandy
Bernay
Sainte-Opportune-La-Mare

Tour – Les Chaumières loop from Sainte-Opportune-la-Mare

Easy

4.4

(7)

15

riders

Tour – Les Chaumières loop from Sainte-Opportune-la-Mare

01:35

26.2km

70m

Cycling

Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: April 21, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc naturel régional des Boucles de la Seine Normande

Waypoints

A

Start point

Parking

Get Directions

1

11 m

Observatoire de la GRAND-Mare du Marais Vernier

Highlight • Other

Observatory of the GRAND-Mare of the Marais Vernier.
ancient meander of the Seine. the Marais Vernier constitutes a vast wetland of 4,500 ha located on an important bird migration corridor. …

Translated by Google •

Tip by

2

668 m

Tour

Highlight • Monument

On the road to the cottages from the Marais Vernier

Translated by Google •

Tip by

3

4.11 km

Marais Vernier 19 km

Highlight • Other

In the middle of the climb, a short stop to admire this magnificent view.

Translated by Google •

Tip by

4

8.32 km

Le Marais Vernier, to whom the village of Marais-Vernier owes its name, was a vast swamp in a loop of the Seine. In 1599, Henri IV decided to dry the …

Translated by Google •

Tip by

5

25.8 km

Les Chaumières

Highlight • Other

Each one more beautiful than the next, some classified and others lovingly restored. Magnificent!

Translated by Google •

Tip by

6

26.2 km

La Grand-Mare Observation Tower

Highlight • Viewpoint

La Grand'Mare is a hunting and wildlife reserve managed by the French Office for Biodiversity. Along with the Seine estuary, it is one of the favorite migratory stopovers for surface …

Translated by Google •

Tip by

B

26.2 km

End point

Parking

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Way Types & Surfaces

Way Types

20.4 km

5.06 km

648 m

Surfaces

19.2 km

4.93 km

1.43 km

636 m

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Elevation

Elevation

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

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Weather

Powered by Foreca

Friday 29 May

24°C

15°C

41 %

Additional weather tips

Max wind speed: 15.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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