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Île d'Olonne Marshes – Gueffard Mill loop from Olonne-sur-Mer

Île d'Olonne Marshes – Gueffard Mill loop from Olonne-sur-Mer

Moderate

riders

Île d'Olonne Marshes – Gueffard Mill loop from Olonne-sur-Mer

04:44

77.3km

330m

Gravel riding

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: March 29, 2026

Waypoints

Start point

Train Station

Get Directions

1.55 km

Marais de la Foye

Highlight • Natural

2.58 km

Ornithological observatory

Highlight • Other

Here you can observe the diverse birdlife of the saltworks area without disturbing the animals.
There are display boards with explanations, unfortunately only in French

Translated by Google •

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7.59 km

Île d'Olonne Marshes

Highlight • Other

Beautiful bird paradise, great Marais landscape. Well maintained cycle paths.

Translated by Google •

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8.23 km

Olonne State Forest Trail

Highlight (Segment) • Forest

The Olonne national forest occupies more than 1,000 hectares, it is part of the Natura 2000 network. It is a treat to cross it by bike. You can come across wild boars and deer there.

Translated by Google •

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11.3 km

Gachère bridge

Highlight (Segment) • Bridge

Take advantage of your crossing on this bridge to admire the Auzance river! The bike lane / sidewalk even offers enough space to make a short stop.

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15.0 km

La Normandelière

Beach

18.0 km

Brétignolles-sur-Mer Coastal Road

Highlight (Segment) • Beach

Pretty seaside made up of rocks and small sandy beaches, as well as small clumps of vegetation which have managed to develop along the seaside.

Translated by Google •

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70.3 km

Passage de la fosse au gendarme

Highlight • Trail

Passage that allows you to cross the Auzance which flows along a green valley

Translated by Google •

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74.6 km

Gueffard Mill

Highlight • Other

The Gueffard mill was built before 1656, abandoned from 1931, then restored in 2023. The reconstruction of its wings allowed it to regain its former glory.

Translated by Google •

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77.3 km

End point

Train Station

Way Types & Surfaces

Way Types

36.0 km

16.8 km

12.3 km

8.24 km

3.74 km

270 m

< 100 m

Surfaces

29.2 km

19.1 km

18.5 km

8.39 km

1.69 km

512 m

Elevation

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

Highest point (60 m)

Lowest point (0 m)

Weather

Sunday 24 May

34°C

19°C

0 %

Additional weather tips

Max wind speed: 10.0 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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Île d'Olonne Marshes – Gueffard Mill loop from Olonne-sur-Mer

Marais de la Foye

Ornithological observatory

Île d'Olonne Marshes

Olonne State Forest Trail

Gachère bridge

Brétignolles-sur-Mer Coastal Road

Passage de la fosse au gendarme

Gueffard Mill

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