Routes

Planner

Features

Updates

App

Get the App

Saint-Malo-De-Guersac

Rozé Port and Viewpoint – Bretesche Castle loop from Saint-Malo-de-Guersac

Saint-Malo-De-Guersac

Rozé Port and Viewpoint – Bretesche Castle loop from Saint-Malo-de-Guersac

Moderate

riders

Rozé Port and Viewpoint – Bretesche Castle loop from Saint-Malo-de-Guersac

02:58

73.4km

360m

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: May 13, 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 125 m for 77 m

Waypoints

Start point

Bus stop

Get Directions

163 m

Rozé Locks

Highlight • Viewpoint

Beautiful lock to see at the picnic area of the port of Rozé in the Parc de la Brière.

Translated by Google •

Tip by

324 m

Rozé Port and Viewpoint

Highlight • Monument

To do in different seasons to see the evolution of the marsh.

Translated by Google •

Tip by

20.2 km

Former residence of the Barons of La Roche Bernard and center of Protestantism. The castle impresses with its romantic and fairytale side. Only the courtyard is open to the public (the interior of the castle is not accessible).

Translated by Google •

Tip by

22.7 km

Lac de la Roche Hervé

Highlight • Lake

Very beautiful circuit through the countryside between Morbihan and Loire-Atlantique, passing through Briandais and the Château de la Roche Hervé.

Translated by Google •

Tip by

37.9 km

Chapelle Sainte-Anne de Saint-Dolay

Highlight • Structure

superb St Anne's chapel, a stop is essential

Translated by Google •

Tip by

66.0 km

Grande Brière Bird Marsh

Highlight • Natural

very beautiful and wild

Translated by Google •

Tip by

71.7 km

View of the Brière Marshes Between Île de Fédrun and Île d'Aignac

Highlight • Viewpoint

very beautiful point of view on the marshes of Brière without too much passage of car!

Translated by Google •

Tip by

73.4 km

End point

Bus stop

Way Types & Surfaces

Way Types

57.1 km

11.3 km

2.69 km

2.28 km

Surfaces

69.8 km

3.49 km

109 m

< 100 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

Wednesday 20 May

26°C

8°C

0 %

Additional weather tips

Max wind speed: 14.0 km/h

to get more detailed weather forecasts along your route

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

Nearby routes

Moderate

4.5

1,698

Salines – La Baule Beach loop from La Baule-Les-Pins

02:03h

47.9km

150m

Moderate

5.0

The Vilaine valley loop from Théhillac via Rieux and La Roche-Bernard

02:32h

56.4km

540m

Moderate

4.4

1,500

Route du Dervin – La Baule Beach loop from La Turballe

02:35h

64.2km

190m

Moderate

4.7

650

Guérande Salt Marshes – Guérande Salt Marshes loop from Brézéan

02:16h

57.6km

190m

Easy

4.1

654

La Baule Bay – La Baule Beach loop from Saint-Marc-sur-Mer

01:21h

32.7km

150m

Moderate

4.3

431

Kerhinet Village – Rozé Port and Viewpoint loop from La Baule-Escoublac

02:47h

66.0km

200m

Moderate

4.5

408

Tharon's large beach – Porteau Beach loop from Saint-Brevin-les-Pins

02:44h

62.6km

390m

Moderate

4.3

353

Rozé Locks – Rozé Port and Viewpoint loop from La Croix-de-Méan

02:10h

53.9km

150m

Moderate

4.1

395

Porteau Beach – Tharon's large beach loop from Pornic

02:19h

55.2km

290m

Hard

4.9

318

Martinière Canal – Loire River Ferry Crossing loop from Frossay

05:09h

114km

330m

Moderate

4.3

335

Guérande Salt Marshes – Guérande Salt Marshes loop from Batz-sur-Mer

02:09h

55.1km

180m

Moderate

4.3

303

Guérande Salt Marshes – Guérande Salt Marshes loop from La Turballe

01:27h

36.7km

80m

Rozé Port and Viewpoint – Bretesche Castle loop from Saint-Malo-de-Guersac

Rozé Locks

Rozé Port and Viewpoint

Bretesche Castle

Lac de la Roche Hervé

Chapelle Sainte-Anne de Saint-Dolay

Grande Brière Bird Marsh

View of the Brière Marshes Between Île de Fédrun and Île d'Aignac

Nearby routes

Sign up or log in to keep exploring this route

We value your privacy ⛰️

We value your privacy ⛰️