Routes Planner Features Updates

Login or Signup

Login or Signup

Login or Signup

Bike touring routes & trails

View of the Red Rock – Aucfer cycle bridge loop from Rieux

Bike touring routes & trails

View of the Red Rock – Aucfer cycle bridge loop from Rieux

Moderate

9

riders

View of the Red Rock – Aucfer cycle bridge loop from Rieux

02:03

26.8km

50m

Cycling

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Last updated: August 25, 2026

Waypoints

A

Start point

Hostel

1

6.06 km

Ruins of Rieux Castle

Highlight • Castle

The castle once dominated the Vilaine River from a rocky spur, controlling a strategic river and land route. It was fortified with moats, gates and towers, and its county belonged to the powerful Rieux family.

Translated by Google •

Tip by

2

7.74 km

View of the Red Rock

Highlight • Other

The landscape is very beautiful in May, with the Red Rock rising from the landscape. Be careful! The road is difficult to navigate, with many potholes and loose gravel.

Translated by Google •

Tip by

3

11.4 km

Aucfer cycle bridge

Highlight • Bridge

The old bridge is closed to traffic and reserved exclusively to bikes and pedestrians

Tip by

4

14.8 km

Campsite La Goule d'Eau

Highlight • Other

7.50 euros for a cyclist with a tent. Shelters provided to shelter bikes and eat in case of rain.

Translated by Google •

Tip by

5

19.9 km

Green route

Highlight • Other

The path is completely ruined but the view is splendid over the Vilaine and the marshes

Translated by Google •

Tip by

6

20.8 km

Rieux Castle

Highlight • Castle

Hello friends, at the edge of the ugly stop to visit the ruins of the castle which was the residence of the Breton kings

Translated by Google •

Tip by

B

26.8 km

End point

Hostel

Way Types & Surfaces

Way Types

18.7 km

2.64 km

2.46 km

1.99 km

793 m

147 m

< 100 m

Surfaces

14.0 km

6.93 km

3.72 km

1.78 km

389 m

Sign up to see more specific route details

Sign up for free

Elevation

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

Sign up to see more specific route details

Sign up for free

Weather

Powered by Foreca

Wednesday 21 October

17°C

11°C

-- %

Additional weather tips

Max wind speed: -- km/h

to get more detailed weather forecasts along your route

Comments

Want to know more?

Sign up for a free komoot account to join the conversation.

Sign up for free

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

Navigate Send to Phone

Move start point

Embed on a website

Report an Issue

Report restricted access

Nearby routes

4.3

17

The V42 along the Vilaine — loop from Pénestin to Redon

06:49h

106km

660m

5.0

4

Circuit in the Brière Regional Natural Park

04:51h

82.7km

220m

5.0

4

Béganne Bike Loop

03:04h

48.6km

500m

4.0

3

Among the Marais de Gannedel and the Vilaine — loop

01:06h

14.5km

70m

1

Circuit de Saint-Guillaume to Blain via EV1

05:05h

84.8km

370m

4.7

382

Paudais lock – Blain 44 loop from Discothèque Le Noumba

04:59h

81.4km

230m

4.9

327

Barel Lock – Paudais lock loop from Discothèque Le Noumba

04:31h

72.7km

170m

4.6

337

Magpie Island – Historic centre of Malestroit loop from Saint-Perreux

04:16h

68.5km

230m

4.2

182

Island of Fédrun – Rozé Port and Viewpoint loop from Saint-Lyphard

03:11h

55.5km

160m

4.8

222

Blain 44 – Lock 11 — La Prée loop from Blain

02:25h

39.7km

50m

4.9

240

Canal de Nantes à Brest – Magpie Island loop from Redon

01:56h

28.0km

70m

4.8

240

Canal de Nantes à Brest – Magpie Island loop from Saint-Vincent-sur-Oust

01:54h

28.1km

110m