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Marais Jean-Jacques Audubon – Bongarant Chapel loop from Couëron

Marais Jean-Jacques Audubon – Bongarant Chapel loop from Couëron

Moderate

riders

Marais Jean-Jacques Audubon – Bongarant Chapel loop from Couëron

03:50

89.1km

420m

Road cycling

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is accessible with public transport.

Last updated: June 20, 2026

Tips

The surface along some of this route may not be suitable

Some segments of your route comprise a surface that may not be suitable for your chosen sport.

After 35.2 km for 174 m

After 36.6 km for 98 m

Waypoints

Start point

Train Station

Get Directions

2.98 km

Marais Audubon

Highlight • Natural

The Couëron marshes, known as the Audubon marshes, are part of the vast group of estuarine marshes located near the Loire and closely linked to its regime. They represent 13% …

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10.5 km

Marais Jean-Jacques Audubon

Highlight • Natural

Embark on a road cycling adventure through the Jean-Jacques Audubon Marsh, a vast wetland named in honor of the famous ornithologist. This route offers gentle, quiet roads where you can …

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14.7 km

Saint-Étienne Church of Saint-Étienne-de-Montluc

Highlight • Religious Site

nice little corner to quench your thirst on a terrace while looking at the church

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23.8 km

Nice little port next to the racecourse

Highlight • Other

The port of Cordemais is a blatant manifestation of the town's deep attachment to its estuary. Redeveloped in 2008, the site now offers more pitches and an ecological fairing area, …

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34.9 km

The Port House

Highlight • Cafe

This beautiful residence, which currently houses a crêperie, served as a model for the Maison dans la Loire, a work that can be seen in Couëron.
The small port in …

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36.7 km

Three old granite quarries, abandoned in 1980, which naturally filled with water to form beautiful blue ponds, popular with fishermen. Many of the cobblestones of Nantes and Nazaire streets come from this place.

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79.7 km

Our Lady of Bongarant

Highlight • Other

Pretty chapel from the beginning of the 15th century in a very Breton style.

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79.7 km

Bongarant Chapel

Highlight • Other

Legend has it that in the 15th century the Duke of Brittany François II encountered a wild boar while hunting and fell. He then vowed to build a chapel if he escaped death. It did.

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89.1 km

End point

Train Station

Way Types & Surfaces

Way Types

78.7 km

5.99 km

3.96 km

223 m

202 m

< 100 m

Surfaces

66.9 km

21.8 km

146 m

120 m

< 100 m

Elevation

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

Highest point (90 m)

Lowest point (0 m)

Weather

Sunday 12 July

32°C

21°C

45 %

Additional weather tips

Max wind speed: 23.0 km/h

to get more detailed weather forecasts along your route

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Marais Jean-Jacques Audubon – Bongarant Chapel loop from Couëron

Marais Audubon

Marais Jean-Jacques Audubon

Saint-Étienne Church of Saint-Étienne-de-Montluc

Nice little port next to the racecourse

The Port House

The Blue Hole

Our Lady of Bongarant

Bongarant Chapel

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