The Cusancin Valley

From the ridges and along the river, discover the Val du Cusancin, which starts at the foot of the Saint-Ermenfroi Chapel. Formed by two resurgences, it offers visitors shades of blue and green. As you climb higher, you will enjoy views of the valley from two rocky promontories.

Details

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  • Walking
    Activity: Walking
  • ↔
    Distance: 13.15 km
  • ◔
    Average duration: 4h 55 
  • ▲
    Difficulty: Moderate

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 418 m
  • ↘
    Descent: - 417 m

  • ▲
    Highest point: 494 m
  • ▼
    Lowest point: 304 m
  • ⚐ Country: France
  • ⚐ District: Cusance (25110)
  • ⚑
    Start/End: N 47.324223° / E 6.437688°
  • ❏
    IGN map(s): Ref. 3423ET
  • Hour-by-hour weather

Photos

Description of the walk

Parking is available at Val de Cusance, opposite the town hall, on the edge of the D21 (tourist sign). Yellow and blue signposts.

(S/E) Pass in front of the town hall to reach the Source Bleue.

(1) Return to the departmental road and continue along the street opposite to visit the Green Spring.

(2) On your way back from the Source du Cusancin, turn right onto Chemin du Moulin and cross the Torrent des Alloz via the old stone bridge, then climb up the gravel path on the right.
Climb up to the chapel via the stony path on the left.

(3) Retrace your steps and climb up the wooded hillside via the path on the left. At the tarmac road, continue climbing to the right until you reach the plateau and turn left towards the Croix de Saint-Ermenfroi.

(4) Quickly head back into the woods via a path on the left. But be careful! Just under the trees, turn right into the pasture, squeezing through a gap in the fence. After passing through the undergrowth, you will return to the pasture. Pass through the undergrowth again to reach a small clearing and, at the other end, turn left into the woods towards the Croix de Saint-Ermenfroi.

(5) Go down to the left along the path opposite the old, beautifully engraved cross. At Cusance church, turn right towards the centre of the village.

(6) At the bus shelter, turn left onto the stony Chemin du Lavoir (towards Montivernage).

(6) Leave this road after the fish farm and climb the hill on the left. Halfway up the slope, you will find an old fountain hidden in the woods, which is unfortunately not maintained. Continue climbing this beautiful stony path until you reach the village.

(8) Turn left to cross Montivernage. Just before you leave the village, turn left onto Chemin Jean Billerey. You will pass a cross marking the spot where this member of the Resistance was executed by the Germans. When this road turns right, continue straight ahead along the grassy path that passes in front of a shed. The path turns left, entering the field via a chicane. Follow the edge on your right for about 100 metres and re-enter the woods via the path on the right.

(9) Leave the viewpoint on the left. At the farm track, turn left, entering a pine forest, and follow this well-stoned path to the departmental road, which you follow to the right for 200 metres.

(10) Turn left onto Chemin du Mont Noireau, which becomes completely gravel. When it begins a long straight climb, turn left onto the forest path (towards Mont Millot) until you reach the small departmental road 21.

(11) Go down this quiet little road on the left, keeping your eyes open: it is not very busy, but it is narrow. It doesn't look like much at first, but near the village, you will pass between the beautiful rocks of the torrent gorges. In the village, you will easily find the car park. (S/E)

Waypoints

  1. S/E : km 0 - alt. 311 m - Parking in Val de Cusance opposite the town hall
  2. 1 : km 0.41 - alt. 323 m - Source Bleue
  3. 2 : km 1.1 - alt. 329 m - Source - Cusancin (rivière)
  4. 3 : km 1.84 - alt. 327 m - Saint-Ermenfroi Chapel
  5. 4 : km 2.71 - alt. 436 m - Mont Millot
  6. 5 : km 3.47 - alt. 438 m - Cross of Saint Ermenfroi
  7. 6 : km 4.25 - alt. 306 m - Cusance
  8. 7 : km 4.6 - alt. 307 m - Take the path on the left after the fish farm
  9. 8 : km 6.08 - alt. 468 m - Montivernage
  10. 9 : km 7.19 - alt. 454 m - Viewpoint over the Val de Cusance
  11. 10 : km 8.61 - alt. 390 m - La Vie aux Âses
  12. 11 : km 11 - alt. 366 m - Alloz Torrent
  13. S/E : km 13.14 - alt. 311 m - Parking in Val de Cusance opposite the town hall

Notes

The route includes ledges and unsecured viewpoints. The paths are rocky and slippery in places. Good footwear is essential and walking sticks are recommended.

Reviews and comments

4.9 / 5
Based on 49 reviews

Reliability of the description
4.9 / 5
Ease of following the route
4.8 / 5
Route interest
4.8 / 5
LapetiteAurélie
LapetiteAurélie

Overall rating : 5 / 5

Date of your route : Oct 12, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes

Many thanks for this route, we discovered a magnificent site. The description is reliable. The last part on the road could be adapted by following the GR trail that starts opposite point 11, rather than going down the main road. But the latter option makes for a very easy end to the hike. Unfortunately, the Alloz stream was not flowing, despite a rainy autumn. I recommend it!

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La Godasse Folle
La Godasse Folle

Overall rating : 5 / 5

Date of your route : Jun 09, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

A very pleasant, easy hike. We were accompanied by a dog who lives in Cusance while we were accessing the two springs. It was quite funny and nice. Pretty paths and trails with plenty of shade, so it was quite pleasant in June. On the way back, we stopped for a drink at one of the terraces in the village of Cusance. A hike to do without any worries.

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Marc1.xsi
Marc1.xsi

Overall rating : 5 / 5

Date of your route : Jun 16, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Nice, shaded hike. Some nice climbs. Unfortunately, the river was dry at the end of the route at point 11, so it wasn't very interesting.

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Maminie 25
Maminie 25

Overall rating : 5 / 5

Date of your route : May 12, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Very beautiful hike with several points of interest

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JOSETTE25
JOSETTE25

Overall rating : 5 / 5

Date of your route : Mar 09, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

A very beautiful hike with attractions including a pretty chapel, a blue spring that was green (due to the addition of dye), and a lovely little private lake. An endless walk along a forest edge. No difficulty, well-marked trail. 13 km and 570 m elevation gain

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TOUTOUNE25
TOUTOUNE25

Overall rating : 4.3 / 5

Date of your route : Feb 16, 2025
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : Yes

Very pretty, easy hike with beautiful views and remarkable sites. Negative point: lots of trees blocking the path!

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Meillet J-A
Meillet J-A

Overall rating : 5 / 5

Date of your route : Apr 17, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Very pretty walk with beautiful views.
The route is very well signposted.

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Christian delode
Christian delode

Overall rating : 4.7 / 5

Date of your route : Aug 30, 2023
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

a 13 km hike with no particular difficulty
a few climbs to warm up, nice

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Dominique 21
Dominique 21
• Edited:

Overall rating : 4.7 / 5

Date of your route : Mar 19, 2023
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : Yes

Nice hike, with a few fairly steep climbs.
Be careful with children. There are aggressive dogs in Montivernage that follow you along the road, barking at you, and apparently no one to call them off (it doesn't seem like walkers are welcome in this village).
In places, it's a real minefield. You can see the damage that humans can do to nature: trees cut down and branches and trees left lying everywhere, and the ground torn up by construction machinery.
Still, it's a good walk with a few negative points.

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Daniel Janine
Daniel Janine

Overall rating : 4.3 / 5

Date of your route : Mar 12, 2023
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

There was a lot of mud at this time of year due to tree felling, but it was a beautiful hike; walking sticks were very useful. The two springs were flowing strongly due to the rain that fell last week, which was great!

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jmpc
jmpc

Overall rating : 5 / 5

Date of your route : Oct 27, 2022
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

A beautiful hike under sunny skies (very well marked).
We were lucky enough to see the two springs (blue and green) flowing strongly.
Very beautiful chapel overlooking the Cusancin valley.
Very good route with lots of viewpoints (breathtaking view from the belvedere over the Cusance Valley).
We were delighted to be able to have lunch at a table in Montivernage (at the start of the Jean Billerey path on the right), which had been provided by the local council.
Gymnastics required in places along the route due to fallen trees.
Unfortunately, the Alloz torrent was dry, which would have made our return more pleasant. Nevertheless, we enjoyed its beautiful gorges.
We highly recommend it!

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minaret
minaret

Overall rating : 5 / 5

Date of your route : Aug 29, 2022
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

A pleasant hike of moderate difficulty, with some ascents and descents on rocky terrain. Sturdy footwear is recommended. There is a lack of water at the springs at this time of year, but there are some interesting sights along the route.

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DROUILLOT
DROUILLOT

Overall rating : 5 / 5

Date of your route : Jul 23, 2022
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

This superb hike has everything we love: beautiful, varied surroundings, pleasant trails, stunning scenery, no technically difficult climbs on dry ground, and wildlife (two donkeys and a deer).
The description is reinforced by signposts along the entire route, so it's impossible to get lost.
We didn't regret finishing on the road (11), as the gorges, even with the stream dry at this time of year, are well worth it!
Many thanks to "tonnoguh" and the previous hikers whose reviews encouraged us to choose this great route.

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RandoHouria
RandoHouria

Overall rating : 5 / 5

Date of your route : Jul 10, 2022
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

A very beautiful hike yesterday.
Pleasant in every way. Not very busy, very shady. Moderate elevation gain. The green spring was dry. Beautiful blue spring. The heat was completely bearable.
Definitely worth doing again at the end of winter to enjoy the full streams and landscapes without too much vegetation.
We had lunch overlooking the Val de Cusance at Mont Millot.
The return to the Val de Cusance via the small road is very picturesque.
A few beers in the cooler were waiting for us in our cars, and we drank them with our feet in the water on the way back to the blue spring.
The hikes offered by Tonnoguh are always excellent. We love them.
Many thanks!

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magory
magory

Overall rating : 4.7 / 5

Date of your route : Jun 11, 2022
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

A very beautiful hike, well marked and blessed with glorious sunshine, as was the case.
Magnificent scenery, with panoramic views of the valley in places
I'd love to do it again in autumn! It's a shame that the green spring was almost dry.

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