The Crugnot bog at Bonnétage

Discover a peat bog, beautiful coniferous forests, a cave and a lavogne.
Lovely views of the Haut-Doubs with its Montbéliard cattle and beautiful Comtois dogs.

Details

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  • Walking
    Activity: Walking
  • ↔
    Distance: 15.30 km
  • ◔
    Average duration: 4h 50 
  • ▲
    Difficulty: Moderate

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 175 m
  • ↘
    Descent: - 177 m

  • ▲
    Highest point: 942 m
  • ▼
    Lowest point: 853 m

Photos

Description of the walk

Start from the car park of the Hôtel de L'Étang du Moulin in Bonnétage.

(S/E) Take the path that runs alongside the pond. At the end, turn immediately right for 50 m then follow the bog nature trail. Retrace your steps. Continue along the previous path until you reach the Sentier du Facteur, which turns right into the meadow.

(1) Cross it. The path enters the forest and climbs steeply in hairpin bends. Cross the forest track and follow the Sentier du Facteur, which continues to climb until it reaches the tarmac road (D437).

(2) Head down the road to the left towards Les Fontenelles, cross it and take Rue du Couvent. Continue to the lavogne (the only one in Franche-Comté), (picnic spot 30 m away).

(3) Take the small road on the left. When you reach the large farm, follow the path signposted “le Puits du Glaçon” cave. Walk there and back for about 300m.

(4) Return along the path that crosses the large wooded meadow to the road, which you follow to the left as far as the hamlet of Le Crotot.

(5) Turn right onto the signposted forest track and follow it for 300m.

(6) Turn left onto the path that enters the woods (route no. 7), then rejoin the road.

(7) Turn right onto it and follow it to the village of Frambouhans. Walk past the church, cross the D437 and continue straight ahead towards the D236

(8) Turn left onto the road leading to Saint-Julien-lès-Russey for about 200 m. Immediately turn left onto a small path crossing the meadow towards the hamlet of Les Bataillots, keeping it on your left.

(9) Continue along the footpath which enters the forest, then at the fork, keep to the small path on the right. This will then become a forest track which you follow to reach the tarmac road towards Saint-Julien-lès-Russey.

(10) Leave the road and take the path on the left signposted Étang du Moulin (route no. 7).

(1) Continue along the reverse route of the outward journey to reach the Étang du Moulin car park (S/E).

Waypoints

  1. S/E : km 0 - alt. 884 m - Étang du Moulin car park
  2. 1 : km 2.15 - alt. 875 m - The Postman’s Trail
  3. 2 : km 3.63 - alt. 903 m - D437
  4. 3 : km 5.29 - alt. 891 m - The lavogne
  5. 4 : km 6.71 - alt. 896 m - Puits du Glaçon
  6. 5 : km 8.5 - alt. 880 m - The hamlet of Le Crotot
  7. 6 : km 8.85 - alt. 875 m - Short path through the woodland
  8. 7 : km 9.5 - alt. 854 m - Road junction
  9. 8 : km 10.73 - alt. 881 m - Frambouhans (D236)
  10. 9 : km 11.2 - alt. 920 m - The hamlet of Les Bataillots
  11. 10 : km 13.22 - alt. 869 m - Junction on the path
  12. S/E : km 15.3 - alt. 884 m - Étang du Moulin car park

Notes

Picnic area at Les Fontenelles.

Worth a visit

Discover the vegetation of the peat bog.
The wet meadows.
The beautiful forests of the Haut-Doubs.
The only lavogne in Franche-Comté.
The “Puits du Glaçon” cave.
The pastures of the second plateau of the Haut-Doubs.

Reviews and comments

4.2 / 5
Based on 8 reviews

Reliability of the description
4 / 5
Ease of following the route
4 / 5
Route interest
4.5 / 5
jeom5670
jeom5670

Overall rating : 4.7 / 5

Date of your route : Mar 17, 2026
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

beautiful countryside

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Meillet J-A
Meillet J-A

Overall rating : 5 / 5

Date of your route : Oct 06, 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, without any difficulties.
Be careful when crossing the bog, which can be slippery when wet or frozen.

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sombress
sombress

Overall rating : 4 / 5

Date of your route : Jul 03, 2024
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

Interesting – the barriers are easy to get through, though it can sometimes be tricky to find the right way (crossing meadows)

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xerocrete
xerocrete

Overall rating : 3.7 / 5

Date of your route : Oct 07, 2023
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★☆☆ Average
Very busy route : No

I only did part of the walk, which was lovely, especially in such glorious weather.
Between points 1 and 2, the ‘postman’s’ path has been filled in with large stones, which are hard on the ankles.
Unfortunately, the road leading to Les Fontenelles, Puits du Glaçon and La Lavogne is entirely tarmac and is particularly long and uninteresting.
From La Lavogne, we opted for an alternative route, taking the path through the forest towards Bonnétage; then, on leaving the forest, we turned right onto a road running alongside two cemeteries to cross the D437 and continue straight on along the D41. Very soon we took a path on the right leading to a pasture and running alongside some houses (La Pâture aux Brebis). Then we headed towards Longe Seigne and, at the very top of the village, we found a path leading either directly to the mill pond, or via the ridges to the start of the peat bog trail and back.

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DROUILLOT
DROUILLOT

Overall rating : 4.3 / 5

Date of your route : Aug 21, 2022
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

A very easy and pleasant walk, alternating between shade and sunshine.
As recommended by “Iguyard”, we followed the yellow-and-blue markings, which were clearly visible throughout the route.
From (1) to the start of the postman’s trail (2), it’s very muddy following the storms of the previous days and due to deep ruts. Otherwise, the trails are superb.

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lguyard
lguyard

Overall rating : 3.7 / 5

Date of your route : Mar 20, 2022
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★★ Very good
Very busy route : No

A pleasant walk, but be careful as the signposting can be a bit sparse in places. Always follow the yellow and blue markings.
Crossing the field after point 2 can be confusing.

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transgilarc
transgilarc

Overall rating : 4.3 / 5

Date of your route : Nov 16, 2018
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good

A lovely walk in glorious weather
We set off from Frambouans Town Hall, heading towards Seigne Grosjean, to avoid the return trip via Etang du Moulin.
The route is very well signposted, but at point 2 (“turn right onto the postman’s path”), this section is signposted with gates to pass through. Be careful: a sign indicating to turn right is misleading as it is placed too early, causing us to cross two barbed-wire fences unnecessarily.
Ignore this sign and continue along the edge of the meadow. At the edge of the forest, there is a gap in the fence.

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plubirdy
plubirdy

Overall rating : 3.7 / 5

Date of your route : May 12, 2018
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good

A lovely walk through woods and meadows. You need to keep a close eye on the map, as there are a few sections – particularly after Frambouhans – where it can sometimes be tricky to know which way to go.
But overall, it’s a very pleasant setting. There’s just one slightly steep section around the 3-kilometre mark, but it doesn’t last very long, and after that the route is mainly flat or gently uphill.

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