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Routes
Bike touring routes & trails
France
Pays de la Loire
Saint-Nazaire
La Bernerie-En-Retz

La-Bernerie-en-Retz to Chéméré — loop via the Lyarne marshes and the EV1

Routes
Bike touring routes & trails
France
Pays de la Loire
Saint-Nazaire
La Bernerie-En-Retz

La-Bernerie-en-Retz to Chéméré — loop via the Lyarne marshes and the EV1

Intermediate

3.0

(3)

15

riders

La-Bernerie-en-Retz to Chéméré — loop via the Lyarne marshes and the EV1

02:25

41.0km

110m

Intermediate bike ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is right next to a parking lot.

Last updated: August 13, 2024

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Waypoints

A

Start point

Parking

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1

792 m

Maurice Giros Pond

Highlight • Beach

Body of water very practical when the beach is at low tide

Translated by Google •

Tip by

2

5.91 km

Marais de Lyarne

Highlight • Other

Ensemble of lakes and wetland pastures.

Tip by

3

8.83 km

Port du Collet

Highlight • Other

A little Scandinavian side with its colorful houses

Translated by Google •

Tip by

4

22.2 km

Saint-Hilaire Church

Highlight • Religious Site

Imposing late 19th century church with a fairly high bell tower

Translated by Google •

Tip by

5

27.2 km

Chéméré Pond

Highlight • Lake

Quiet and cycle park, crossed by the La Blanche river, which forms a pond here. Picnic tables, toilets. Perfect for a short break

Translated by Google •

Tip by

B

41.0 km

End point

Parking

Way Types & Surfaces

Way Types

27.6 km

4.35 km

3.83 km

3.44 km

1.55 km

292 m

Surfaces

24.5 km

13.9 km

1.67 km

739 m

224 m

< 100 m

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Elevation

Elevation

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Weather

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Today

Tuesday 4 November

18°C

15°C

100 %

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How to understand each route’s difficulty level

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Easy
Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
Corresponds approx.to SAC 1.
Intermediate
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Corresponds approx. to SAC 2-3.
Expert
More than 5 hours long or 3000 ft. of elevation gain. Requires very good fitness.Sure-footedness, sturdy shoes and alpine experience required.
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How to understand each route’s difficulty level

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Easy
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Expert
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How to understand each route’s difficulty level

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Road Bike

Running

Easy
Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
Corresponds approx.to SAC 1.
Intermediate
Up to 5 hours and 3,000 ft. of elevation gain. Requires good fitness.Mostly accessible paths. Sure-footedness required.
Corresponds approx. to SAC 2-3.
Expert
More than 5 hours long or 3000 ft. of elevation gain. Requires very good fitness.Sure-footedness, sturdy shoes and alpine experience required.
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How to understand each route’s difficulty level

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Road Bike

Running

Easy
Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
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Intermediate
Up to 5 hours and 3,000 ft. of elevation gain. Requires good fitness.Mostly accessible paths. Sure-footedness required.
Corresponds approx. to SAC 2-3.
Expert
More than 5 hours long or 3000 ft. of elevation gain. Requires very good fitness.Sure-footedness, sturdy shoes and alpine experience required.
Corresponds approx. to SAC 4–6.
Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.
Intermediate

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How to understand each route’s difficulty level

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Mountain Bike

Road Bike

Running

Easy
Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
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Intermediate
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Corresponds approx. to SAC 2-3.
Expert
More than 5 hours long or 3000 ft. of elevation gain. Requires very good fitness.Sure-footedness, sturdy shoes and alpine experience required.
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Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.
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How to understand each route’s difficulty level

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Mountain Bike

Road Bike

Running

Easy
Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
Corresponds approx.to SAC 1.
Intermediate
Up to 5 hours and 3,000 ft. of elevation gain. Requires good fitness.Mostly accessible paths. Sure-footedness required.
Corresponds approx. to SAC 2-3.
Expert
More than 5 hours long or 3000 ft. of elevation gain. Requires very good fitness.Sure-footedness, sturdy shoes and alpine experience required.
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Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.
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How to understand each route’s difficulty level

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Bike

Mountain Bike

Road Bike

Running

Easy
Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
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Intermediate
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Expert
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Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.
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How to understand each route’s difficulty level

Hiking

Bike

Mountain Bike

Road Bike

Running

Easy
Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
Corresponds approx.to SAC 1.
Intermediate
Up to 5 hours and 3,000 ft. of elevation gain. Requires good fitness.Mostly accessible paths. Sure-footedness required.
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Expert
More than 5 hours long or 3000 ft. of elevation gain. Requires very good fitness.Sure-footedness, sturdy shoes and alpine experience required.
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Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.
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How to understand each route’s difficulty level

Hiking

Bike

Mountain Bike

Road Bike

Running

Easy
Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
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Intermediate
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Expert
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Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.
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Mountain Bike

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Expert
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Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.
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How to understand each route’s difficulty level

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Mountain Bike

Road Bike

Running

Easy
Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
Corresponds approx.to SAC 1.
Intermediate
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Corresponds approx. to SAC 2-3.
Expert
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Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.
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How to understand each route’s difficulty level

Hiking

Bike

Mountain Bike

Road Bike

Running

Easy
Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
Corresponds approx.to SAC 1.
Intermediate
Up to 5 hours and 3,000 ft. of elevation gain. Requires good fitness.Mostly accessible paths. Sure-footedness required.
Corresponds approx. to SAC 2-3.
Expert
More than 5 hours long or 3000 ft. of elevation gain. Requires very good fitness.Sure-footedness, sturdy shoes and alpine experience required.
Corresponds approx. to SAC 4–6.
Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.
Expert

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97.8km

140m

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