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Routes
Road cycling routes
France
Pays de la Loire
Châteaubriant-Ancenis
Blain

The Blue Hole – Our Lady of Bongarant loop from Blain

Routes
Road cycling routes
France
Pays de la Loire
Châteaubriant-Ancenis
Blain

The Blue Hole – Our Lady of Bongarant loop from Blain

Moderate

9

riders

The Blue Hole – Our Lady of Bongarant loop from Blain

04:12

99.0km

480m

Road cycling

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: August 26, 2026

Tips

The surface for a segment of your route may not be suitable

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

After 36.9 km for 98 m

Waypoints

A

Start point

Bus stop

Get Directions
1

36.9 km

The Blue Hole

Highlight • Structure

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.

Translated by Google •

Tip by

2

38.5 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 …

Translated by Google •

Tip by

3

49.4 km

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, …

Translated by Google •

Tip by

4

58.5 km

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

Translated by Google •

Tip by

5

68.0 km

Our Lady of Bongarant

Highlight • Other

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

Translated by Google •

Tip by

6

72.4 km

Castle of the Crosses

Highlight • Castle

Beautiful chateau. The site has been occupied since the 17th century, but the castle in its current form dates from 1888.

Translated by Google •

Tip by

7

98.0 km

Blain 44

Highlight • Structure

It is a fairly active port on the Nantes-Brest Canal, with a capacity for up to 30 pleasure craft and 3 barges. Bars, restaurants, and public restrooms are available.

Translated by Google •

Tip by

B

99.0 km

End point

Bus stop

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Way Types & Surfaces

Way Types

87.0 km

6.84 km

4.18 km

907 m

143 m

Surfaces

77.7 km

21.2 km

143 m

< 100 m

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Elevation

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

Highest point (80 m)

Lowest point (0 m)

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Weather

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Tuesday 3 November

10°C

6°C

0 %

Additional weather tips

Expect light wind and shifting conditions.

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