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Bike touring routes & trails

Pays de la Loire

The Port House – Observatoire le Rocher loop from Prinquiau

Bike touring routes & trails

Pays de la Loire

The Port House – Observatoire le Rocher loop from Prinquiau

Easy

5

riders

The Port House – Observatoire le Rocher loop from Prinquiau

01:26

21.9km

60m

Cycling

Easy bike ride. Mostly paved surfaces. The starting point of the route is accessible with public transport.

Last updated: September 25, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc naturel régional de Brière

Waypoints

A

Start point

Bus stop

1

7.67 km

Lavau-sur-Loire

Highlight • Other

The old Saint-Martin du Sillon church has been listed as a historical monument since 1984.
Several beautiful old houses around this small town center.

Translated by Google •

Tip by

2

7.83 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

14.0 km

Observatoire le Rocher

Highlight • Viewpoint

Wonderful landscape. to do from spring (flooded in winter)

Translated by Google •

Tip by

4

15.9 km

Ruisseau de Savenay

Highlight • Other

A pretty path follows the trail between the lake and the Syl marsh.

Showing Translation

Tip by

5

16.0 km

Fresnier Marsh Trail

Highlight • Trail

A pretty path connecting the town of Savenay to Grand Brossais, the northern gateway to the Syl marsh.

Showing Translation

Tip by

B

21.9 km

End point

Bus stop

Way Types & Surfaces

Way Types

8.12 km

7.27 km

4.38 km

1.74 km

442 m

< 100 m

Surfaces

10.1 km

4.45 km

4.24 km

3.03 km

< 100 m

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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

Wednesday 4 November

12°C

5°C

0 %

Additional weather tips

Max wind speed: 7.0 km/h

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