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Bike touring routes & trails

Pays de la Loire

The Sharp Stone – Gravel path in the forest loop from Bouaye

Bike touring routes & trails

Pays de la Loire

The Sharp Stone – Gravel path in the forest loop from Bouaye

Easy

5.0

(5)

33

riders

The Sharp Stone – Gravel path in the forest loop from Bouaye

01:47

26.9km

60m

Cycling

Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels. The route includes a crossing by ferry. The starting point of the route is right next to a parking lot.

Last updated: March 4, 2026

This route includes a ferry crossing

Tips

Includes a ferry crossing

Check ferry timetable.

After 12.8 km for 88 m

Waypoints

A

Start point

Parking

Get Directions

1

5.51 km

Lake Grand-Lieu, Pierre Aiguë

Highlight • Lake

Very good spot for a panoramic view of the lake.
Bird observatory on the path on the right

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2

5.54 km

Lake Grand-Lieu, Pierre Aiguë site

Highlight • Lake

Accessible to everyone except in winter when the lake doubles its size.

Translated by Google •

Tip by

3

5.62 km

The Sharp Stone

Highlight • Other

A beautiful view of the Grand Lieu lake

Translated by Google •

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4

10.0 km

Port de l'Halbrandière

Highlight • Other

Pretty little port located on the Ognon river

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5

12.8 km

Le Martipontain - Ferry

Highlight • Bridge

Make your outing a bit unique by crossing the river "L'Ognon" aboard the Martipontain. A barge that allows you to cross to the other side by pulling on the chain …

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6

12.8 km

Chain boat

Highlight (Segment) • Other

The chain boat is only accessible in spring and summer. The town hall withdraws it in winter and in autumn.

Translated by Google •

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7

12.9 km

Chain Ferry

Highlight • Structure

06/10/2025: Boat out of service

Translated by Google •

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8

22.6 km

Gravel path in the forest

Highlight • Other

A must when you want to go around the lake, or when you go to the Pierre-Aigüe site.

Translated by Google •

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B

26.9 km

End point

Parking

Way Types & Surfaces

Way Types

8.02 km

6.90 km

6.02 km

5.24 km

633 m

< 100 m

< 100 m

Surfaces

12.5 km

7.55 km

6.54 km

305 m

118 m

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Elevation

Elevation

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

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Weather

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Monday 18 May

18°C

11°C

-- %

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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