Vachères - Montagne de Musan - Pré de Cinq Sous circular from Beauregard

Large circular route covering the main ridges delimiting the upper basin of the Portail de Beauregard: ascent via the wild Vachères (off-trail), passage through the Cols de Sonnaize, Pas du Loup and Tourniers, steep climb to Pas de la Pierre to cross the long and beautiful ridge of Montagne de Musan to Pas Pourceau, descent via the "Pré de Cinq-Sous", the Cols des Cordeliers and Marchands, finally the Ravin de Combins to the Passage du Tour and return to the village via the Portail.

Details

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  • Walking
    Activity: Walking
  • ↔
    Distance: 16.72 km
  • ◔
    Average duration: 7h 50 
  • ▲
    Difficulty: Difficult

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 1,067 m
  • ↘
    Descent: - 1,071 m

  • ▲
    Highest point: 1,282 m
  • ▼
    Lowest point: 417 m

Photos

Description of the walk

Moderator's note added on 05/08/2020: Please note! Several reviews of this hike indicate that a GPS device may be useful on certain sections (reviews dated 29/06 and 05/08 2020).

The starting point is the village of Beauregard, in the commune of Beauregard-Baret, which can be reached from exits 7 or 8 of the A48 motorway. Park at the picnic area on the right at the entrance to the village.

(S/E) From the car park, head south towards the old quarry. When you reach it, leave the marked path on the right, cross a chain and immediately turn left and follow a path up to a sign (watch out for falling rocks!). Take the path opposite, which climbs through the box trees on a slope that becomes very steep (old handrails to hold on to) before leading to a platform overlooking the Portail gorges.

(1) Head south to climb the slope. The path goes around the rocky peaks on the right and, after a short traverse, climbs up to the ridge behind the rocks.

It then follows the ridge, sometimes on the eastern edge, to a small rocky outcrop on the left, which you pass to discover the Croix de Saint-Gervais.

(2) The path descends to a pass and then climbs up the ridge opposite. It is much less steep and tends to become a real path that is straighter and level. Join the marked path climbing up to the right.

(3) Follow this easy path to the left, which gradually descends to the Col de Sonnaize and its shelter in the forest.

(4) Continue straight ahead on the marked path that leads to Pas du Loup, an easy passage over a rocky ridge in the forest.

(5) Do not descend to the right towards the Éperon des Ussets, but veer left to stay on level ground. After 60 metres, a path branches off to the left and climbs a few metres to the Grotte des Ussets.

Back on the trail, 30 metres further on, below Montagne des Ussets, ignore a new trail branching off to the right down towards Éperon des Ussets and continue on level ground. The trail climbs a little before descending to the meadows of Col des Terniers.

(6) Take the path opposite, which climbs to the right of the fences. It joins a path to follow on the right before leaving it to climb to the right to the Source de Font Pourcel. Then turn left onto a pastoral path that leads to the Font Pourcel crossroads.

(7) Climb the wide path on the right, then after 100m leave it to climb left up the steep Pas de la Pierre path: first straight up the slope on the grassy ridge, then crossing upwards to the left into the forest. Areas that may be slippery are equipped with wooden log steps.

As you approach the cliff, the path becomes steeper and rockier: it then winds its way up to the Pas de la Pierre gap.

(8) Do not descend opposite, but turn left onto a marked path, which climbs to a first peak (1165m).

The rest of the route is a long traverse with ascents and descents, often over rough terrain but easy to follow. The route passes through Pas de l'Aulanier, then reaches Rocher de Chantemerle, home to a TV relay station (fenced off).

(9) At the junction with the access road, descend a few hundred metres to the right and then climb back up to the left along the marked path, which is less uneven in the forest. Descend again to a low point on the ridge and climb back up to the highest point of Montagne de Musan (1,295 m) before descending slightly to reach Pas Pourceau.

(10) Turn left to enter the forest and come out at the top of Pré de Cinq Sous, which you should descend straight down.

(11) Continue straight ahead, heading north-west, along the cliff on your left in the sparse forest of Pré des Fourmis, then the path turns right and descends straight into a coniferous forest. Further down, after a few bends, the forest path passes Col des Cordeliers, at the top of a narrow meadow.

(12) Turn right to descend a little for 100 metres, then turn right at a right angle to climb up a wooded ridge before descending to Pré des Marchands and then Col des Marchands.

(13) Turn left, go through the barrier and begin the long descent of the Combins ravine via the dirt pastoral road, which is badly damaged in places due to major forestry work.

Descend the hairpin bends (some can be cut if the ground is dry) then follow the road, which becomes straighter, to the Passage du Tour. (It is no longer possible to cut directly across the Combe, as the areas are fenced off for livestock farming).

(14) Follow the tarmac road on the right, which passes the Combe farm, crosses the Portail pass and enters the village. After the church, turn left to pass by the tennis court: a footbridge leads directly back to the car park at the start. (S/E)

Waypoints

  1. S/E : km 0 - alt. 423 m - Beauregard: picnic area
  2. 1 : km 0.77 - alt. 550 m - First platform in Les Vachères
  3. 2 : km 1.34 - alt. 698 m - Croix de Saint-Gervais
  4. 3 : km 2.29 - alt. 761 m - Crossroads with path ascending to the right (Morottet)
  5. 4 : km 2.95 - alt. 765 m - Shelter at - Col de Sonnaize (782m)
  6. 5 : km 3.4 - alt. 792 m - Pas du Loup (756m)
  7. 6 : km 4.44 - alt. 744 m - Col des Tourniers (742m)
  8. 7 : km 5.32 - alt. 845 m - Font Pourcel
  9. 8 : km 6.1 - alt. 1,160 m - Pas de la Pierre
  10. 9 : km 8.26 - alt. 1,203 m - Rocher de Chantemerle (rest stop)
  11. 10 : km 9.92 - alt. 1,256 m - Pas Pourceau (1270m)
  12. 11 : km 10.4 - alt. 1,135 m - Pré de Cinq Sous
  13. 12 : km 11.41 - alt. 983 m - Col des Cordeliers (987m)
  14. 13 : km 11.88 - alt. 954 m - Col des Marchands (954m)
  15. 14 : km 15.26 - alt. 500 m - Passage du Tour
  16. S/E : km 16.72 - alt. 423 m - Beauregard: picnic area

Notes

The crossing of the Montagne de Musan is a classic, regularly described either from the Passage du Tour (Beauregard side) or from the Pot de Vinay (Oriol side).
The circular route proposed here is longer and includes the wilder climb up the Crête des Vachères, a section that is a little more technical than the rest of the route: it sometimes requires the use of your hands and, above all, good orientation skills to find your way along the existing paths among the rocks, as there is no real trail.
However, the entire route can be covered without any special equipment, although walking poles are always useful, especially on slippery terrain on some steep sections.

The cumulative elevation gain is due to the multiple ascents and descents, which give the route a fairly athletic character despite its modest altitude.

Apart from the Vachères crossing, most of the sections are marked:
- either yellow (and old blue markings on the climb to Pas de la Pierre)
- or red and yellow:GRP® du Tour des Monts du Matin (at the start, then between (3) and after (5), then on the ridge of Montagne de Musan between (8) and (10), and finally the descent from (13) to (E)).
Every major junction from the Col de Sonnaize onwards is marked with directional signs.

There are several springs and pools along the route (Font Pourcel, Ravin de Combins), but these are intended for livestock and are not considered drinkable.

Worth a visit

The terrain is varied: rocky ridges, meadows grazed in summer, wooded areas with boxwood, beech or conifer trees... The crossing of the Montagne de Musan remains a remarkable route.

The views on the way up or down are often close together: over the Beauregard upstream basin or the Combe d'Oyants, over the Isère valley plain towards Romans.
From the many viewpoints on Musan Mountain, the view is more extensive: towards the Massif Central (Mont Mézenc), and especially towards the interior of the Vercors (Grande Moucherolle, Grand Veymont, Roc de Toulau...), with a few glimpses beyond (Grandes Rousses and Étendard).

Reviews and comments

3.7 / 5
Based on 12 reviews

Reliability of the description
3.1 / 5
Ease of following the route
3.8 / 5
Route interest
4.2 / 5
fletcher_fr
fletcher_fr

Overall rating : 5 / 5

Date of your route : May 27, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

A magnificent hike with a very wild start to climb the Crête des Vachères. Note that you can visit another cave at point 1. I will describe how to get there shortly in thehike Grotte des Fées, Crête des Vachères, Grotte des Ussets and Crête de Mussan.
Thanks to the author who inspired me.

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Michel RIUNÉ
Michel RIUNÉ

Overall rating : 5 / 5

Date of your route : Mar 12, 2024
Reliability of the description : Not used / Not applicable
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

The route from the start at point 1 on 12/03/2024 did not seem possible to me due to a chain and a sign saying: Private property, no trespassing.
Take the PR.
If my observation is correct, this route should be amended.

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jacky38
jacky38

Overall rating : 2 / 5

Date of your route : Jul 18, 2023
Reliability of the description : ★★☆☆☆ Disappointing
Ease of following the route : ★★☆☆☆ Disappointing
Route interest : ★★☆☆☆ Disappointing
Very busy route : No

At the start of the first climb up to Vachères, there is a sign prohibiting access to the path due to the danger of falling rocks. Four of us went ahead anyway and arrived at the first waypoint, where there was no path at all. We tried to follow our GPS devices anyway, but it was too dangerous, so we turned back to the starting point.
The danger of rockfalls is very real. I do not recommend doing this hike, it is too dangerous!!!!

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Mich7
Mich7

Overall rating : 4.3 / 5

Date of your route : Apr 16, 2023
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

Magnificent hike
I set off before the farm towards Col de Sonaize and Pas du Loup. Ideal for warming up as the climb is very gentle.
Unfortunately, it was cold and foggy on the ridges in mid-April.
The most difficult part is the climb up to Pas de la Pierre.

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ericcameleon26500
ericcameleon26500

Overall rating : 3.3 / 5

Date of your route : Feb 21, 2023
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★☆ Good
Very busy route : No

Hike for experienced hikers, but not particularly difficult except for the significant elevation gain.

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greggy26
greggy26

Overall rating : 4 / 5

Date of your route : Sep 10, 2022
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : Yes

The route is quite difficult in places (climbing with ropes) and involves walking through brambles.
Difficult to progress between points 1 and 2, no tracks, you have to pass between box trees and other vegetation. The paths are quite pleasant after that.
Quite a steep climb to the stone pass, pleasant route along the ridges.
Nice view of the Vercors.

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leodu007
leodu007

Overall rating : 3.7 / 5

Date of your route : May 08, 2022
Reliability of the description : ★★☆☆☆ Disappointing
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

I'll start with the most important thing: yes, GPS is ESSENTIAL, especially from the starting point to point 4, as you will be taking an unmarked trail.
The views on this hike are truly exceptional. Be careful to proceed very cautiously at times, as there are some very steep slopes that will not forgive the slightest mistake.
This route is therefore not for everyone: it remains quite dangerous at times and, above all, very physically demanding. The cumulative elevation gain and loss is significant, so make sure you are well prepared and in good physical condition.

I strongly recommend using hiking poles, wearing good shoes and long trousers if you plan to do this hike in the summer.

Thanks anyway to the author for this hike, although his directions are not very useful as they are imprecise and incomplete.

(Helpful tip: when you reach point 1, a sign will indicate that the trail is closed to the public, but you can still go around the small chain to find yourself just behind it, on the trail you will need to take to reach the next point.)

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yohannj
yohannj

Overall rating : 4 / 5

Date of your route : Feb 21, 2021
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : Yes

Personally, I am in favour of using GPS or a mobile phone, as they are essential.
I use my mobile phone at the moment because it's enough for 6-hour hikes. (I will invest in a second battery or a GPS).
I completed the circular route in 5 hours, walking at a very good pace...

On this hike on a sunny Sunday in February, I didn't expect to feel so much, I'm talking about the void and potentially a fear of heights, but at the same time it's fun.
The panorama is admirable, breathtaking; this hike is very interesting.

Part of the hike is along the ridge line (3 km), which you can see when you arrive at the village.
The start of this hike may differ from the description. I took the path that climbs from the car park and then continued along the main path that turns right. I didn't go via points 1 and 2, but went straight to point 3, which is easy with the map but slightly lengthens the route.
After that, there are no difficulties with the signposting.
Thank you to the author of this beautiful hike.

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grandin
grandin ★

Sorry, Ouenza. The previous review said that GPS was essential for this hike. I've added the information directly to the description.

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Ouenza
Ouenza

Overall rating : 1 / 5

Date of your route : Aug 04, 2020
Reliability of the description : ★☆☆☆☆ Very disappointing
Ease of following the route : ★☆☆☆☆ Very disappointing
Route interest : ★☆☆☆☆ Very disappointing
Very busy route : No

Hike start poorly marked. Difficult climb over scree. Could not find way around rock at summit. Hike unsuccessful, returned to starting point.

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c'est moi
c'est moi

Overall rating : 4 / 5

Date of your route : Jun 29, 2020
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

After the "oak tree" and the steep climb, the path becomes very difficult to follow, and the outline of the famous rock is not obvious. I made numerous mistakes on my way to the ridge.
It is clear that the person who wrote the description is in their "backyard" and does not put themselves in the shoes of people who have never been there before! The description needs to be completely revised.
GPS is essential!!!!

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gallanpa26
gallanpa26

Overall rating : 4.3 / 5

Date of your route : Sep 01, 2019
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good

Magnificent panorama from the Musan rocks.

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Bigmama44
Bigmama44

Overall rating : 4 / 5

Date of your route : Jun 16, 2019
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good

Very pretty hike with breathtaking views, good elevation gain, small shaded paths suitable for trail running on the descents!
An extra detour via the lovely thistle field (beautiful flower-filled meadow).
Negative point:
The description of the start of the hike needs to be completed as it is not easy to find (I would add after the start towards the south opposite the car park: at the second stream crossing, where you see a chain and barbed wire with a no entry sign, you have to go behind the chain and barbed wire and immediately turn left to find a small path between the box trees).

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