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Bernay
Sainte-Opportune-La-Mare

La Grand-Mare Observation Tower

Highlight • Viewpoint

La Grand-Mare Observation Tower

Cycling

4.9

(136)

Hiking

5.0

(20)

Road cycling

(1)

This Highlight is in a protected area

Please check local regulations for:

Parc naturel régional des Boucles de la Seine Normande

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  • Location: Sainte-Opportune-La-Mare, Bernay, Normandy, France

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    Tips

    February 24, 2023

    Hiking

    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 ducks, such as the teal or the snipe. You can also see some waders there.
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    May 5, 2018

    Cycling

    La Grand Mare is a nature reserve in the middle of the Marais Vernier. At the lake there is a migratory bird watching center and a publicly accessible observation tower (with binoculars).
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    August 16, 2023

    Cycling

    The largest of the Marais Vernier ponds
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    Nearby routes

    Best routes near La Grand-Mare Observation Tower

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    4.2

    (48)

    192

    riders

    #1.

    La route des Chaumières — loop from Saint-Aubin-sur-Quillebeuf in the Marais Vernier nature reserve

    31.6km

    01:55

    220m

    220m

    Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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    Moderate
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    4.2

    (40)

    129

    riders

    Hard bike ride. Good fitness required. You may need to push your bike for some segments of this route.

    Hard
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    Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

    Easy

    Details

    Informations

    Elevation 10 m

    Weather

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    Tuesday 29 September

    21°C

    16°C

    88 %

    Additional weather tips

    Max wind speed: 20.0 km/h

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    Location: Sainte-Opportune-La-Mare, Bernay, Normandy, France

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