Grand Châtel – Saint-Romain de Roche circular loop

The proposed route, starting from Grand Châtel, aims to reach Saint-Romain de Roche via very little-used, unmarked paths and to traverse the plateau overlooking the Bienne valley.
Part of the route involves a steep climb (somewhat challenging). As a result, it has been classified as difficult. Please ensure you are wearing suitable footwear and have hiking poles.
The section on the plateau is fairly easy and offers some lovely views.

Details

2667583
Creation:
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  • Walking
    Activity: Walking
  • ↔
    Distance: 8.28 mi
  • ◔
    Average duration: 5h 45 
  • ▲
    Difficulty: Difficult

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 2,224 ft
  • ↘
    Descent: - 2,198 ft

  • ▲
    Highest point: 2,703 ft
  • ▼
    Lowest point: 1,076 ft

Photos

Description of the walk

Meet at Grand Châtel, and park near the fire hydrant, which is on the left after the fountain in the centre of the hamlet.

(S/E) Start the walk by taking the stony path on the right towards Grand Châtel.
Continue along this path. After a left-hand bend followed shortly by a right-hand bend, you’ll come to a crossroads with a footpath.
Please note: this path is not immediately visible. It is on the right. Look out for the red-orange stones on the ground and, just past this marker, a red dot on a tree.

(1) Leave the forest track and take the path on the right. The first few metres are through tall grass. Follow the red marks on the trees until you reach a water catchment.
Then continue downhill (the red marks have disappeared); look out for the stream on your left. At the wire fence, cross the stream and follow its course to rejoin a proper path. You’ll reach the junction with theGRP® variant of the Tour du Haut-Jura Sud

(2). Turn left onto it and follow the yellow and red markings. Carry on until you reach a meadow. At the signpost, follow the directions for Vaux Stadium.
Go round the meadow on the right and carry on straight ahead along the forest track that runs alongside the Bienne. At the end of the bend, you’ll come to another junction.

(3) Leave theGRP® here and take the path on the left. You’ll then face a steep climb.

(4) When you reach the Chapelle Saint-Romain, take a short break to admire the view over the Bienne valley and the village of Vaux-les-Saint-Claude.
Continue along the path, passing behind the chapel. You’ll rejoin the GRP®.

(5) Turn left onto it and continue slightly uphill, passing close to the Lacuzon Cave. Stay on theGRP®, passing under the high-voltage power line before reaching another junction with a signpost.

(6) Leave theGRP® and turn left towards Grand Châtel and Petit Châtel. Near the high-voltage power line, the path splits into two.

(7) Follow the path on the right, running parallel to the high-voltage power line, and continue keeping to the right at the following junctions until you reach the hamlet of Petit Châtel.

(8) Turn left and carry on to the fountain. Take the path on the right between the houses and continue along the forest track to reach the D470.

(9) Turn left onto it for a few hundred metres, cross the road and continue along the small road on the right, running parallel to the RD470. You’ll come to the Grotte de Coinans, which is hidden amongst the bushes.
If there is no water, you can enter it safely.

(10) Stay on this road, ignoring the one branching off to the right at the bend. Join the RD470 again.
Turn left onto it and follow it for about 200 metres, until you reach the next junction.

(11) Turn right onto the forest track. Stay on the main track at all times.
On the descent, the track turns into a footpath. Continue downhill until you reach a fenced-off water intake. Carry on for another hundred metres or so until you reach a small path branching off to the right.

(12) Turn right onto the path and head straight on to reach the Grand Chatel car park (S/E).

Waypoints

  1. S/E : mi 0 - alt. 1,975 ft - Grand Châtel car park
  2. 1 : mi 0.59 - alt. 2,146 ft - Path on the right
  3. 2 : mi 1.49 - alt. 1,089 ft - GRP junction
  4. 3 : mi 2.9 - alt. 1,096 ft - Crossroads towards the chapel - Bienne (rivière)
  5. 4 : mi 3.31 - alt. 1,900 ft - Chapelle Saint-Romain de Roche
  6. 5 : mi 3.53 - alt. 1,946 ft - GRP junction
  7. 6 : mi 4.6 - alt. 2,247 ft - Trail junction, turn left
  8. 7 : mi 5.06 - alt. 2,169 ft - Fork in the road, slightly to the right
  9. 8 : mi 5.35 - alt. 2,198 ft - Petit Châtel, turn right at the fountain
  10. 9 : mi 5.91 - alt. 2,451 ft - RD470
  11. 10 : mi 6.35 - alt. 2,405 ft - Coinans Cave
  12. 11 : mi 6.86 - alt. 2,375 ft - Forest track on the right
  13. 12 : mi 7.96 - alt. 2,169 ft - Turn right into the clearing
  14. S/E : mi 8.28 - alt. 1,975 ft - Grand Châtel car park

Notes

(S/E) Please take care not to block the access route reserved for the fire brigade.
Video of the route profile: click here
About the route profile video: I carried out a recce of this route to check that the description was accurate. When I recce a route, I do so by running, relying on the signal from my phone to alert me if I stray from the route or take the wrong path. This allows me to correct the description.
In this case, the profile is correct but the route isn’t, as I had to make some corrections.
Please note: this route is not suitable for pushchairs or young children.
Watch out for ticks: a very real danger in the Jura forests; ticks are voracious and get everywhere. Don’t forget to check yourself over after the walk.
There’s a drinking fountain in Petit Châtel.
I completed this route on a lovely sunny day with good walking conditions (dry ground). I cannot guarantee that it will be passable when the ground is soggy or snow-covered, or obstructed by trees felled by foresters.
I can accompany you if you’d like.
Just let me know a few days in advance: here

Reviews and comments

4.2 / 5
Based on 3 reviews

Reliability of the description
4.3 / 5
Ease of following the route
3.7 / 5
Route interest
4.7 / 5
PascaleB.
PascaleB.

Overall rating : 4.7 / 5

Date of your route : Feb 01, 2026
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

I adapted this guide clockwise, starting from Vaux-lès-Saint-Claude. The climb along the Leat de Creuse is very pleasant. But after crossing the stream to reach point (1), passing the barbed wire and warning signs, the steep slope proved to be extremely muddy and slippery; I decided to give up and opt for the longer but easier route to the hamlet of Petit Châtel. After point (1), a clear path led me directly to the lésine (a nice surprise!) at point (12). I then made a detour via the fantastic viewpoint over Chatillon (see topo no. 30893189 by the same author). For the descent to Vaux, I preferred the route that starts from the village of Saint-Romain and leads to the viewpoint on side 635 (OSM map) to then join the marked trail. Many thanks to the author for the many routes published on the site!

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Régis POUQUET
Régis POUQUET
• Edited:

Overall rating : 4 / 5

Date of your route : Dec 14, 2025
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★★ Very good
Very busy route : No

A beautiful hike for experienced walkers. A GPS device is essential to follow the trail properly.
The path down to Grand Chatel is very congested and poorly maintained, with lots of fallen trees blocking the way.
For the descent to leat de Creuse, the path is very unpredictable and difficult to find. You have to follow the Creuse to La Bienne. Beautiful, very wild descent.
The climb to the Chapelle Saint Romain is very steep. Done in December, the ground is very slippery and there are no switchbacks, but you'll get there...
You are rewarded by the chapel and the beautiful view of the valley.
The rest of the hike is easy.
The mileage and elevation gain are as described.
Thanks to the designer for this beautiful route, which is reserved for experienced hikers.

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pascalgabriel
pascalgabriel

Overall rating : 4 / 5

Date of your route : Sep 12, 2020
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

The route is classified as difficult for the ascent: but the descent from Grand Chatel is nothing to be sniffed at. You need to find the start, which is simply behind an old ‘rockfall’ sign; then you need to find the rather steep and difficult path;

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