The Musan mountain in Beauregard-Baret

Almost entirely through undergrowth and forest, this pretty, fairly challenging hike offers beautiful views of the Vercors and the Romans valley on a clear day. The ridge route, passing by the Rocher de Chantemerle where the Beauregard TV transmitter is located, is a succession of ascents and descents, sometimes close to or far from the cliffs, sometimes over rocks or sharp limestone pavement.

Details

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  • Walking
    Activity: Walking
  • ↔
    Distance: 13.24 km
  • ◔
    Average duration: 6h 25 
  • ▲
    Difficulty: Difficult

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 915 m
  • ↘
    Descent: - 922 m

  • ▲
    Highest point: 1,282 m
  • ▼
    Lowest point: 500 m

Photos

Description of the walk

(S/E): From the small car park located near the Tour crossing, take the wide path opposite, heading south, which is well marked in yellow and red and leads to Champ Riant. Stay on this path.

(1): Reach the Champ Riant mast. Go through the barriers on the right and follow the steep path opposite, heading towards Col des Tourniers and Pas de la Pierre.
Stay on this path, marked in yellow and signposted, ignoring the various paths that cross it.

(2) You will reach a crossroads near a woodcutter's clearing. (At this point, pay close attention to the route as it is not very visible). Cross the track, leaving it on your right. Go up to the left for a few metres along the track used for woodcutting. Take the small path on the right (yellow marker slightly hidden on a tree). The slope becomes steeper. A little further up, at a crossroads, a yellow marker is placed on a tree between two paths. Follow the path uphill to the left. Continue. Go through a gate.

(3) You will reach a three-way junction and the Font Pourcel mast. Take the middle path, signposted Pas de la Pierre. The path becomes steeper, passes through four flights of anti-erosion wooden steps and crosses a small rocky passage. You will reach Pas de la Pierre.

(4) Follow the red and yellow marked trail to the left, climbing up to the ridge towards Pas Pourceau and Rochechinard. This is followed by a long stretch alternating between frequent passages through boxwood, easy rock passages and beautiful views of the Romans plain and the Vercors. However, you must remain attentive even though this trail is very well marked and does not present any particular difficulty. There are frequent ascents and descents, more or less close to the ridge line.

(5) Cross the Pas de l'Aulagnier mast. Continue on this path in the same direction towards Pas Pourceau and Rochechinard.

(6) At the next junction with the road leading to Rocher de Chantemerle, where the Beauregard TV transmission tower is located, follow this road to the right for a few metres before rejoining the ridge trail on the left. The forest becomes denser. A little further on, the path descends slightly towards the east, then climbs again through boxwood, sharp limestone pavement and rocks, passing close to an unsecured chasm, before rejoining the ridge and offering beautiful panoramic views. Continue along this ridge path to Pas Pourceau.

(7) At the Pas de Pourceau mast, descend to the left towards Pré de Cinq Sous. Walk along the meadow.

(8) At the next junction, the Pré de Cinq Sous mast, go through the gate and continue straight ahead towards Col des Marchands, following a wide track down to a junction (small cairn).

(9) At the cairn, turn 90° to the left and climb up the well-marked path to a small ridge. The path then descends towards Col des Marchands.

(10) At the Col des Marchands mast, go through the barrier and descend to the left, winding down a wide forest track marked in red and yellow to the Passage du Tour mast, at the side of the road. Go back up the road to the left for a few metres and you will find the car park (S/E).

Waypoints

  1. S/E : km 0 - alt. 507 m - Car park near the Tour passage
  2. 1 : km 1.32 - alt. 616 m - Mât de Champ Riant, on the left, Pas de la Pierre
  3. 2 : km 2.75 - alt. 759 m - On the left - Col des Tourniers (742m)
  4. 3 : km 3.13 - alt. 846 m - Mât de Font Pourcel, towards Pas de la Pierre
  5. 4 : km 3.94 - alt. 1,159 m - Pas de la Pierre
  6. 5 : km 5.23 - alt. 1,157 m - Mât du Pas de l'Aulagnier, directly opposite
  7. 6 : km 6.1 - alt. 1,203 m - Crossroads on the right, then on the left
  8. 7 : km 7.87 - alt. 1,256 m - Pas de Pourceau, on the left, towards Pré de 5 Sous
  9. 8 : km 8.34 - alt. 1,135 m - Mât du Pré de 5 Sous, towards Col des Marchands
  10. 9 : km 9.41 - alt. 986 m - At the junction, turn left and go up after the - Col des Cordeliers (987m)
  11. 10 : km 9.78 - alt. 952 m - On the left, track - Col des Marchands (954m)
  12. S/E : km 13.24 - alt. 507 m - Parking lot at the Tour passage

Notes

Do not attempt this route if you are prone to vertigo.
The paths can be very slippery in wet weather.
Pay close attention to the various markings and be sure you know where you are going: there is a risk of fog.

Place names:
Le pré de Cinq Sous: the sum paid to graze cattle there
The name of the locality is attested in the forms De Bello Reguardo in the 11th century and Belreguart in 1207 ("beautiful view").
Beauregard: a fortress or village that is beautiful to look at, with a beautiful view.
The second part of its name comes from a wooded hill to the north-west of the village, from the Gaulish word barro, meaning "mountainous ridge, linear summit".

Worth a visit

Near the Vercors Regional Nature Park

Ruins of Rochefort Castle (Rochefort-Samson: 11th and 12th century castle, destroyed during the Wars of Religion, which protected the passage through the Oyans gorge.

Remains of the Château de Beauregard (mentioned in 1235), built of wood on stone foundations, which burned down in 1890.
A popular tradition associates the village with the figure of Mandrin. Legend has it that his band stopped at the Beauregard forge to have their horses shoed backwards and thus escape the king's hussars.

Reviews and comments

4.7 / 5
Based on 14 reviews

Reliability of the description
4.5 / 5
Ease of following the route
4.7 / 5
Route interest
4.9 / 5
User 3454771

Overall rating : 5 / 5

Date of your route : Dec 15, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

The course is quite physically demanding!

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Blutch2
Blutch2

Overall rating : 4.3 / 5

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

A very beautiful hike completed in August 2024 in cloudy and relatively cool weather for the season.
It took me 5 hours and a little over 2.5 litres of water
Be careful to take regular GPS readings, especially between points 2 and 4. Deforestation has erased the markers and slightly altered the route. Thanks to whoever put up the signs for the Pas de la Pierre, not enough for my liking but very useful.
This hike is not technically difficult, but you do have to tackle the climb up to the Pas de la Pierre.
Once on the ridges, the views over the valley are magnificent.
Thank you for this route.

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maran04
maran04

Lol... no problem... all the best

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sempervivum
sempervivum

Overall rating : 5 / 5

Date of your route : May 17, 2023
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

A beautiful hike, somewhat physically demanding due to the climb to the Pierre pass, then the ridge path with slippery sharp limestone pavement after the rain, with an elevation gain of around 1,000 metres. Varied scenery, beautiful trees and boxwoods, scenic views. Only encountered three other hikers. Worth doing again! Thanks to the author

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ardechom
ardechom

This is most likely an error in the recorded route. Maran 04 already posted a comment on Thursday, 13 May 2021, which perfectly describes the view from the ridges. Everyone can easily make their own corrections before setting off on this hike, which is more rocky than wet!
Nothing serious, rather "funny" if I may say so.

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maran04
maran04

Which lake? There isn't a lake... is there?

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toposrandos
toposrandos

Overall rating : 5 / 5

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

Beautiful views of the lake, very pleasant hike

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cathyferrer
cathyferrer

Overall rating : 4.3 / 5

Date of your route : May 31, 2021
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : Yes

A beautiful hike in superb weather.
However, the path along the ridge between Pas de la Pierre and Pas Pourceau is a little difficult for those who don't have long legs to climb the rocky passages. Fortunately, the box trees provide a handhold.
The vegetation at the summit obscures the view, except for the section between the pylon and Pas Pourceau, where there are a few gaps.
Thanks to the author.

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maran04
maran04

Overall rating : 4.3 / 5

Date of your route : May 13, 2021
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

A beautiful but challenging walk due to the steep incline, especially before reaching the Pas de la Pierre.
However, once you reach the ridges, the view is splendid and well worth seeing, with views of the Pre-Alps and Grand Veymont. On a very clear day, you should be able to see Mont Blanc.
The last part of the walk back to the starting point is not very interesting and a bit long.
But you have to do this walk at least once in your life... and we've done it.

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Bernard Bastia
Bernard Bastia

Overall rating : 4 / 5

Date of your route : Apr 19, 2021
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★★ Very good
Very busy route : No

Be careful on the descent from the Col des Cordeliers. A sign points us down a path that seems fine at first, but ends up being very steep in the Ravine des Lauses, I think, as there is no trace of this path on the IGN 3136ET map. You need to make sure you are on the GR trail around the Monts du Matin from the Col des Marchands.....

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charlotte.hehe
charlotte.hehe

Overall rating : 4.7 / 5

Date of your route : Dec 14, 2020
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Hike in the snow, it was magnificent but the climb was steep and slippery.

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leperron
leperron

Overall rating : 5 / 5

Date of your route : Jan 07, 2020
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good

Thank you for this wonderful hike. A magnificent route from start to finish with beautiful views of the Romans plain and the Vercors.
Currently, the start of the route is not marked in red and yellow but discreetly in yellow.

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nwybo
nwybo

Overall rating : 5 / 5

Date of your route : Oct 13, 2019
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good

Hike completed on 13/10 in good weather.
Excellent route, superb views and very challenging.
The climb is a little difficult at the end but enjoyable.

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BARNAVON
BARNAVON

Overall rating : 4.7 / 5

Date of your route : Jun 05, 2019
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good

Hello,

A very beautiful and challenging hike with magnificent panoramic views of the plain.

A few minor comments: we think the hike should be classified as difficult, if only because of the last part of the climb up to Pas de La Pierre. The ridge path is well marked, but it is very difficult, if not impossible, to walk quickly because of the almost constant presence of sharp rocks. The elevation gain is well over 1,000 metres (several measurements).
Furthermore, at point 2, it is quite difficult to find the path because there is another clearly visible path and, above all, recent logging has transformed the area.
Finally, after the Col des Marchands, the original trail is cut off in two places (no entry sign with mention of rock falls) and a forestry track has been created that crosses the trail several times. Some markers must have been removed.

The second time you do the hike, it should be quicker, and well done to the designer.

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colo26
colo26

Overall rating : 4.7 / 5

Date of your route : May 31, 2019
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good

Superb "sporty" hike ;-). The panoramic views are magnificent. The elevation gain is "pleasant"

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