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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)

31

riders

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

01:46

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: June 10, 2026

This route includes a ferry crossing

Tips

Includes a ferry crossing

Check ferry timetable.

After 12.8 km for 44 m

Waypoints

A

Start point

Parking

Get Directions

1

5.53 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

2

5.54 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

Translated by Google •

Tip by

3

5.60 km

The Sharp Stone

Highlight • Other

A beautiful view of the Grand Lieu lake

Translated by Google •

Tip by

4

10.0 km

Port de l'Halbrandière

Highlight • Other

Pretty little port located on the Ognon river

Translated by Google •

Tip by

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 that connects it.
Fun in a group, a little more physical on your own!

Translated by Google •

Tip by

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 •

Tip by

7

14.3 km

Church of Pont-Saint-Martin

Highlight • Religious Site

8

22.5 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 •

Tip by

B

26.9 km

End point

Parking

Way Types & Surfaces

Way Types

8.09 km

6.81 km

5.70 km

5.55 km

611 m

< 100 m

< 100 m

Surfaces

12.8 km

7.46 km

6.19 km

271 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

Powered by Foreca

Friday 26 June

32°C

21°C

65 %

Additional weather tips

Max wind speed: 19.0 km/h

to get more detailed weather forecasts along your route

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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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