Route of the quarries along the Couesnon

After walking along the Couesnon, which is calm and peaceful on this section, walkers are invited to discover a small stream that feeds it: the Vallées d'Hervé stream. Then, despite a few open sections, walkers will appreciate the peaceful shade of the undergrowth and sunken paths.

Details

1248082
Creation:
Last update:
Last review:
  • Walking
    Activity: Walking
  • ↔
    Distance: 10.93 km
  • ◔
    Average duration: 3h 25 
  • ▲
    Difficulty: Moderate

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 95 m
  • ↘
    Descent: - 97 m

  • ▲
    Highest point: 75 m
  • ▼
    Lowest point: 22 m

Description of the walk

Park in the sports ground car park: access via Rue du Stade

(S/E). Take Rue du Stade, cross Rue Pierre Hubert with caution and continue opposite on Rue des Étangs.
Continue on the D320. In a left-hand bend, follow the stony path that extends from the road.

(1) After 150 metres, turn right. Join Route du Grand Moulinet and follow it to the right for 50 metres, then take the path on the left (not shown on IGN maps). It ends at the D97.
Follow this departmental road on the left for 50 metres.

(2) Turn left and head north. Pass the entrance to the Château du Petit Moulinet and turn right at the crossroads.
Before the "Stop 150m" road sign, turn left onto the path and continue immediately to the left.

(3) The path follows the Couesnon river and, at Moulin de Guémorin, you can see the stone quarries.
Walk along the motocross track on your left and continue straight ahead.
The path ends at a road; turn right.

(4) Cross the road and take the path on the left, before the stream and the culvert under the road.
The path follows the Ruisseau des Vallées d'Hervé stream and may be very wet in places, even in summer.

(5) Keep right on the road, then turn left at the fork. In a wide curve, ignore a road on the right and 50 metres further on, take the path on the right (not shown on IGN maps). When you reach a path, turn right and then left onto the road.

(6) After the houses at Bois Neuf, follow the path on the left and turn left after 40 metres. The path becomes a wide track running almost south and leads to the D20 departmental road.

(7) Cross it carefully and turn left. After 50 metres, turn right. Continue to the end, turn left and cross La Prouverie. Continue to La Gange.

(8) Before the first houses, turn left. Continue on the left and take the path on the right.
At the end, continue to the right and after the houses in La Hautraite, turn left. (The path is not shown on IGN maps).
After a few bends, this path leads back to the car park at the start. (S/E)

Waypoints

  1. S/E : km 0 - alt. 66 m - Sports ground car park
  2. 1 : km 1.21 - alt. 64 m - Path on the right
  3. 2 : km 2 - alt. 47 m - Road on the left
  4. 3 : km 3.26 - alt. 23 m - Guémorin mill on the other bank - Couesnon (fleuve)
  5. 4 : km 4.62 - alt. 26 m - Path on the left
  6. 5 : km 5.6 - alt. 39 m - Road on the right
  7. 6 : km 6.87 - alt. 52 m - Path on the left
  8. 7 : km 8.08 - alt. 74 m - Crossing the D20
  9. 8 : km 9.43 - alt. 70 m - Road on the left
  10. S/E : km 10.93 - alt. 66 m - Sports ground car park

Notes

For the most part, the route is marked in yellow. The exception is between the Petit Moulinet crossroads and the motocross circuit, where the path along the Couesnon is indicated, while the signposts direct you to follow the path on the upper part (which, in the author's opinion, is much less pleasant).

Reviews and comments

4.3 / 5
Based on 7 reviews

Reliability of the description
4.6 / 5
Ease of following the route
4 / 5
Route interest
4.4 / 5
bazouges nature
bazouges nature

Overall rating : 4.7 / 5

Date of your route : Nov 03, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

Consider an option with A and R to the mine and mining town of Brais from the hamlet of Le Petit Moulinet; it's worth a little detour!

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Trickpanope
Trickpanope

Overall rating : 4.7 / 5

Date of your route : Oct 06, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

A beautiful hike, mostly through forest, with a section along the Couesnon river.
Some roads, but not very busy.
A few muddy patches, but not many (it had rained the day before).
Thanks to the "Randonneur Breton".

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User 26280911
• Edited:

Overall rating : 4.3 / 5

Date of your route : Aug 25, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★★ Very good
Very busy route : No

Easy and very pleasant route.
Insufficientsignposting

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Rinsaran
Rinsaran

Overall rating : 3.7 / 5

Date of your route : Nov 04, 2024
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★☆ Good
Very busy route : No

A very pleasant route with lots of wooded sections and a few stretches along rivers. In a few places it's a bit difficult to know where to turn off, but it's fine. In terms of practicality, it's relatively flat but there are lots of muddy sections in wet weather.

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patpie
patpie

Overall rating : 4 / 5

Date of your route : Jul 08, 2024
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

Hello,
I would have liked to spend more time listening to the sound of the water.

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Sylvie Jouny
Sylvie Jouny

Overall rating : 4.7 / 5

Date of your route : Sep 23, 2019
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good

Walk to be done in dry weather

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dedep
dedep

Overall rating : 4.3 / 5

Date of your route : Aug 05, 2019
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good

A beautiful hike to do in dry weather (no rain for several days)
Not much road

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