Circular from Col du Sénépy to Pierre Plantée

A beautiful hike with magnificent views of the Trièves and Dévoluy regions, on a sunny hillside, ideal for the off-season. The slopes are moderate but the atmosphere is mountainous. It is possible to climb to the summit of Sénépy along the way.

Details

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  • Walking
    Activity: Walking
  • ↔
    Distance: 10.19 km
  • ◔
    Average duration: 4h 05 
  • ▲
    Difficulty: Moderate

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 415 m
  • ↘
    Descent: - 410 m

  • ▲
    Highest point: 1,595 m
  • ▼
    Lowest point: 1,206 m

Photos

Description of the walk

Go to the Merlins car park, taking the Route des Merlins from Susville (please note: Google Maps is not very familiar with the area and may try to take you up from Le Villaret, which is not possible by car). There is a large car park at Les Merlins; park on thefirst level, below thesecond.

(S/E) At the foot of the car park, on the left as you arrive, a sign points towards La Mure, on a good path that is almost flat, heading south-west.

(1) At the Champ Morand sign, go up to the right. Keep heading southwest until you reach a fork in the road, just before the power line.

(2) At the Combe Prunières sign, climb up to the right, under the power line, towards Le Sénépy, and continue towards Le Sénépy.

(3) At the crossroads: Écurie Bernard, continue straight ahead towards Sénépy and join the ridge of Serre de Chat Pendu.

(4) Turn right and head towards the Col du Sénépy.

(5) (For a return trip to the summit of Sénépy, take the winding path on the left).
Climb to the right, towards the ridge, leaving some hillocks on your left, then on your right. The general direction, north-east north, remains the same until you reach a flat area, clearly marked by herds.

(6) At the Aup sign, continue in the same direction, towards the copse of trees, to join a path that descends in the same direction, then gradually turns to the right to go around the hillock of Pierre Plantée (on the right). Note (thanks to Bapmab): at the grove, do not turn right onto the cattle tracks that lead to the start of a dead-end forest track, but continue in the same direction until you cross the indicated path which leads, at the entrance to the forest, to a turnstile with signs for Les Treize Bises.

(7) Continue to the right, due east, almost horizontally, to continue around the Pierre Plantée. Then enter the forest and head for Les Treize Bises and its cabin.

(8) With your back to the hut, descend south-east into the hollow of the valley. Go through a gate and turn right, heading due south, onto the main path signposted towards Les Merlins and the car park (S/E).

Waypoints

  1. S/E : km 0 - alt. 1,221 m - Les Merlins car park
  2. 1 : km 0.49 - alt. 1,210 m - Pré Rambeau
  3. 2 : km 1.81 - alt. 1,219 m - Combe Prunières
  4. 3 : km 2.59 - alt. 1,310 m - Bernard Stables
  5. 4 : km 3.93 - alt. 1,441 m - Serre de Chat Pendu. Fork in the road
  6. 5 : km 4.91 - alt. 1,532 m - Col du Sénépy
  7. 6 : km 7.2 - alt. 1,514 m - L'Aup
  8. 7 : km 7.96 - alt. 1,435 m - Below Pierre Plantée, north-facing slope.
  9. 8 : km 8.38 - alt. 1,411 m - Treize Bises
  10. S/E : km 10.19 - alt. 1,221 m - Les Merlins car park

Notes

Herds are present during the summer months.

Reviews and comments

4.6 / 5
Based on 8 reviews

Reliability of the description
4.6 / 5
Ease of following the route
4.3 / 5
Route interest
5 / 5
Flopy 58
Flopy 58

Overall rating : 5 / 5

Date of your route : Apr 25, 2026
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes

For me, this is the most beautiful of all the walks. The views are breathtaking throughout. The climb is always gentle. At this time of year, there are plenty of flowers growing right next to patches of snow. You can extend the walk by heading to the summit of Senepy, or make it easier by skirting the ridges – there’s a very good path that allows you to do this.

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Chamois38
Chamois38

Overall rating : 5 / 5

Date of your route : Jan 04, 2026
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Great hike in winter conditions (fog, strong winds and frosty landscape). We set off from Les Merlins and followed the trail to the Col du Sénépy, a route through the mountain pastures which must be magnificent in good weather. We were still treated to the phenomenon of hoarfrost covering the vegetation, creating a lunar landscape, with occasional rays of sunshine piercing the leaden sky of black clouds. The shades of colour were extraordinary. At the pass, we skipped the summit because the wind was too strong and the view was blocked. We turned right to cross the Grand Lau plateau and reach the summit of the standing stone. A break in the clouds allowed us to admire the view of the Laffrey and Pierre Chatel lakes. Then we descended towards Les Merlins via the beautiful shelter of the Treize Bises and returned to our car park. Despite the conditions, we enjoyed this route and I recommend it (I think it must often be exposed to the elements, so you need to take something with you to cope with this).

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vental42
vental42

Overall rating : 4.3 / 5

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

A very pleasant hike that takes us through the mountain pastures. A route that is easy to follow amid magnificent scenery, with the added bonus of autumn colours at this time of year. After the Col du Sénépy, be careful to find the small path that climbs upwards.

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jluca
jluca

thank you very much for your message! I will amend the text as you suggest.
Kind regards
JL

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bapmab
bapmab

Overall rating : 4.3 / 5

Date of your route : Sep 28, 2025
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

We know Senepy quite well, having been there many times in all seasons, starting from Les Signaraux. This side has a mountainous character, especially in winter when everything is frozen and there is a cold wind... On the other hand, the route starting from Les Merlins is a little different because it is more in the "agricultural" world of the mountain pastures. It is extremely peaceful and relaxing. The route is well described by the author (whom we thank), but we would suggest adding to points 6 and 7, "at the grove, do not turn right onto the cattle tracks that lead to the start of a forest track that leads nowhere, but continue in the same direction until you cross the indicated path that leads, at the entrance to the forest, to a turnstile with signs for Les Treize Bises."

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COMETE38
COMETE38

Overall rating : 4.7 / 5

Date of your route : Mar 25, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : Yes

A very beautiful hike with breathtaking views! It was a bit windy, even on a beautiful spring day. We climbed up to Pierre Plantée by mistake; we didn't see the trail and headed for the grove at the top, but the view was worth it. To get back on the trail, we followed the pink posts marking the snowshoe trail.

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GSSBS
GSSBS

Overall rating : 4.7 / 5

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

A very pleasant route with a pleasant atmosphere (although quite windy, as mentioned elsewhere) and magnificent panoramic views. Following "the" path through the Sénépy meadows (particularly on the ridges of Serre de la Combette) is not always easy, but it is manageable.

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champsaur38
champsaur38
• Edited:

Overall rating : 4.7 / 5

Date of your route : Nov 26, 2023
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

I would like to point out an error in the description. At point 1, the sign indicates Champ Morand and not Pré Rambeau. In fact, the Pré Rambeau sign is on the way back, between the hut and the car park.
Furthermore, this lovely route is exposed to the north wind, which was strong on Sunday. From the Senepy Pass onwards, good visibility is required.
It is worth climbing up to Pierre Plantée for the view. The vegetation was covered in frost.
In my opinion, this route can be done on snowshoes.

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jluca
jluca

thank you, Vincent, for the information about the first sign. Indeed, my notes say the same as yours => error corrected in the description!

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Vincent M8.
Vincent M8.

Overall rating : 4.3 / 5

Date of your route : Nov 26, 2023
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : Yes

- The sign at point 1 is marked "Champ Morand" and not "Pré Rambeau"
- There may be fewer hunters' cars on the direct path from Les Merlins to Ecurie Bayard

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