Routes

Planner

Features

Updates

App

Get the App

Routes

Bike touring routes & trails

Mabille Valley Lake – Observatoire le Rocher loop from La Chapelle-Launay

Routes

Bike touring routes & trails

Mabille Valley Lake – Observatoire le Rocher loop from La Chapelle-Launay

Hard

5.0

(1)

riders

Mabille Valley Lake – Observatoire le Rocher loop from La Chapelle-Launay

04:03

53.5km

590m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: April 21, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc naturel régional de Brière

Waypoints

Start point

Bus stop

Get Directions

5.27 km

Lac de Savenay

Highlight • Lake

This lake is otherwise called the Mabille valley lake. It is an artificial lake.

Access to the leisure center is free. The activities offered here are: picnic on the bank, play areas for the youngest, fishing.

Translated by Google •

Tip by

5.30 km

Mabille Valley Lake

Highlight • Other

The Lac de la Vallée Mabille, or Lac de Savenay, is a beautiful artificial reservoir that is worth a detour. By bike, you can easily go around the southern part …

Translated by Google •

Tip by

6.10 km

Lac de la Vallée Mabile

Lake

9.73 km

Observatoire le Rocher

Highlight • Other

Allows you to observe the surrounding flora and fauna

Translated by Google •

Tip by

14.1 km

Ruins

14.5 km

Pâquelais Mill

Highlight • Other

Built around 1545, the Moulin de la Pâquelais is a remarkable building located to the east of Savenay. After a restoration in 1991, the mill became functional again. It has been listed as a historic monument since 1996.

Translated by Google •

Tip by

49.1 km

Château de l'Escuray

Highlight • Castle

53.5 km

End point

Bus stop

Way Types & Surfaces

Way Types

25.5 km

11.9 km

10.3 km

3.58 km

2.32 km

< 100 m

Surfaces

26.1 km

19.2 km

5.60 km

2.22 km

337 m

Elevation

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

Highest point (60 m)

Lowest point (0 m)

Weather

Thursday 9 July

37°C

21°C

0 %

Additional weather tips

Max wind speed: 13.0 km/h

to get more detailed weather forecasts along your route

Comments

Want to know more?

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

Navigate

Send to Phone

Save

Edit route

Download GPX

Move start point

Embed on a website

Report an Issue

Report restricted access

Nearby routes

Moderate

4.4

137

Pornic and Préfailles Coastal Loop

01:50h

29.9km

170m

Moderate

4.7

1,269

Sablons Beach – Pornic Castle loop from Saint-Michel-Chef-Chef

03:21h

54.8km

340m

Moderate

Circuit in the Brière Regional Natural Park

04:51h

82.7km

220m

Moderate

3.5

Saint-Père-en-Retz, Saint-Brevin-les-Pins et Corcept — boucle via EV1, EV6 et les routes campagnardes

02:03h

34.7km

130m

Moderate

4.3

Saint-Père-en-Retz

01:57h

31.4km

180m

Easy

4.8

Saint-Viaud, Paimb

01:53h

30.9km

120m

Moderate

3.0

Circuit de Chaumes-en-Retz vers Le Pellerin par les marais à Buzay et EV1;EV6

02:23h

41.0km

170m

Hard

Circuit de Saint-Guillaume to Blain via EV1

05:05h

84.8km

370m

Moderate

4.8

600

Sablons Beach – Pornic Castle loop from Le Clion-sur-Mer

04:18h

71.4km

410m

Moderate

4.4

669

Couëron Ferry – Port of Couëron loop from La Basse-Indre - Saint-Herblain

02:27h

40.5km

150m

Moderate

4.7

699

Sablons Beach – Pornic Castle loop from Pornic

01:54h

31.7km

200m

Hard

4.6

450

Château de la Groulais – Tindière Lock loop from Notre-Dame-des-Landes

06:20h

93.5km

360m

Mabille Valley Lake – Observatoire le Rocher loop from La Chapelle-Launay

Lac de Savenay

Mabille Valley Lake

Observatoire le Rocher

Pâquelais Mill

Château de l'Escuray

Nearby routes

Sign up or log in to keep exploring this route

We value your privacy ⛰️

We value your privacy ⛰️