The Tour des Cournouze

Passing through the Pas de l'Allier and Pas des Voutes, this is a pleasant route in the Vercors Drômois.
Hike not possible at present: Closure by municipal decree of the Pas de l'Allier trail (Echevis commune)

Details

26190
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  • Walking
    Activity: Walking
  • ↔
    Distance: 11.39 km
  • ◔
    Average duration: 6h 10 
  • ▲
    Difficulty: Moderate

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 1,022 m
  • ↘
    Descent: - 1,025 m

  • ▲
    Highest point: 1,245 m
  • ▼
    Lowest point: 826 m

Photos

Description of the walk

Park on the D612 at a place called Sandron.
(S/E) Take the RJ (red and yellow) marked trail where the sign indicates Pas de l'Allier.
Cross through the undergrowth, staying on this path. Reach this pass overlooking the Petits Goulets road.

(1) Take the good gravel path that descends rapidly along the edge of the cliff.
After passing a climbing site, you will reach a small path leading to Pas des Voutes.

(2) Take it on the right. Continue along this path and you will come out at the Pas des Voutes (sign).

(3) Stay on the right-hand track and climb gently to reach the highest point (1,250 m).

(4) This ridge overlooks the Bourne Gorges. Continue along this track until you reach the Plan crossroads.

(5) Then turn left and head towards the hamlet of Le Briac.

(6) Return to the D612 road, turn right and then return to the car park (S/E).

Waypoints

  1. S/E : km 0 - alt. 1,016 m - Car park at a place called Sandron
  2. 1 : km 2.66 - alt. 1,170 m - Pas de l'Allier
  3. 2 : km 4.65 - alt. 832 m - PR crossroads
  4. 3 : km 5.67 - alt. 1,104 m - Pas des Voutes
  5. 4 : km 6.8 - alt. 1,182 m - Viewpoint
  6. 5 : km 8.82 - alt. 1,142 m - Carrefour du Plan
  7. 6 : km 10.17 - alt. 997 m - Le Briac
  8. S/E : km 11.39 - alt. 1,016 m - Car park at a place called Sandron

Notes

There are no water sources on this route.
No difficulty on this hike except for the height of the cliffs at the two Pas (Allier and Voutes), so take care with children.

Worth a visit

Magnificent panoramic views of the famous Vercors gorges (Goulets and Bourne).
Choranche Cave, whose car park is visible on the ridge after the Pas des Voutes.

Reviews and comments

4.5 / 5
Based on 14 reviews

Reliability of the description
4.1 / 5
Ease of following the route
4.5 / 5
Route interest
4.9 / 5
patbouc
patbouc

Overall rating : 5 / 5

Date of your route : Jul 17, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

The trail is once again accessible without any problems. Recently reopened, there are not many people between the Pas de l'Allier and the Pas des Voutes.

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Framboise07
Framboise07

Part of the route is still closed by municipal order.

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N.Chaby
N.Chaby

Overall rating : 4.7 / 5

Date of your route : May 28, 2023
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Route closed by municipal decree. There are some areas that are not easy to pass through, ranging from slightly rocky to heavily eroded.
Proceed with caution and sure footing.
On the other hand, the climb up to the pass is steep and challenging.
It's still a fantastic walk!

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peyreg
peyreg

Overall rating : 4 / 5

Date of your route : Aug 01, 2022
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

A superb tower with the plateau section under the trees, then the section from the Allier Pass to the Voûtes Pass in the sunshine
Magnificent views and evidence of the determination of the men who built this wall at the Pas de l'Allier.
During the descent, there are a few passages with small scree.
The GPS and track tracking do not work everywhere with the cliffs.

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verorizo
verorizo

Overall rating : 4.3 / 5

Date of your route : Feb 28, 2022
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

Superb hike, but I wouldn't recommend it for people who suffer from vertigo. The path from Pas de l'Allier to Pas des Voûtes is very steep, with lots of rockfalls. thank you to the author for this lovely tour, which I enjoyed on my own on a beautiful sunny Monday. I only came across two people on the way back. I missed the crossroads and went down to Les Combettes. I also found that the description lacked some details.

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craco.35
craco.35

Overall rating : 4.7 / 5

Date of your route : Sep 07, 2020
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes

The advertised elevation gain is greater than that recorded by two GPS devices during this hike. We recorded 622m of elevation gain for one and 635m for the other, which is far from 1056m. However, the distance is accurate.

the 1,056 metres should not discourage potential hikers, as this hike is magnificent and can be done again and again in all seasons.

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manu6069
manu6069

Overall rating : 3.7 / 5

Date of your route : Sep 19, 2019
Reliability of the description : ★★☆☆☆ Disappointing
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good

The trail has disappeared over a distance of 1 metre, between 2 and 3 metres, following a rock slide caused by forestry machinery working further up. This is unlikely to improve.
For this reason, it is not recommended for children.
Please read the review dated 21/05/2018, which lists the shortcomings of the description.
A very beautiful hike but a somewhat lax description. Thank you, GPS.

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vilatuli
vilatuli

Overall rating : 5 / 5

Date of your route : May 22, 2019
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good

very nice circular, well described, nothing to complain about

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meco
meco

Overall rating : 3.3 / 5

Date of your route : Sep 21, 2018
Reliability of the description : ★★☆☆☆ Disappointing
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good

I found that some important details were missing. For example: after the climbing site, continue downhill for a few hundred metres (830 m) before turning right onto a small path marked with a red arrow and "Voute".
After the Col des Voutes: stay on the main track the whole way. Follow the signs for St Julien en Vercors/Cabane de Lily, then St Julien en Vercors/Le Pin, then Le Briac. A 1:25,000 map is useful, although the small map is not bad.
The path from Pas de l'Allier to Pas des Voutes is sometimes almost non-existent and should be avoided by people who are afraid of heights or afraid of mountains.

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AlainBO
AlainBO

Overall rating : 4.7 / 5

Date of your route : Aug 13, 2018
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good

This route is now strongly discouraged for mountain bikes and horses as it is badly damaged between the Allier Pass and the Voûtes Pass (rockfall).
In the morning, there are many ibex in these scree slopes and their flight causes rockfalls...
If there are only a few of you on this magnificent hike, you can park and set off from Le Briac (a few cars), as the road to Sandron is more pleasant at the start of the hike, when it is cooler.

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LULLI18
LULLI18

Overall rating : 5 / 5

Date of your route : Sep 25, 2016
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good

Beautiful views. A lovely walk that's well worth the effort!
Park at the entrance to the Vercors Ranch, where the trail begins.
The climb to the Col de l'Allier is easy and pleasant. If you want to avoid the descent on the other side and the 400m elevation gain of the Pas de la Voute, there are numerous paths that allow you to reach the next pass via the plateau. However, you will need an IGN map if you are unfamiliar with the area.
Watch out for rocks on the descent below the cliffs, as ibexes roam the ridges and they can hurt!
To climb back up to the Pas de la Voute, just before the sign about 60 metres higher up, there is a small path on the right (the only one on the descent at this point) which saves you a lot of effort on the steepest part of the climb. Allow 45 minutes for the climb, which is very steep for a good 10 minutes.
The final descent leads to a fairly wide crossroads called La Plateforme. Be careful, this is not point 5 called "Carrefour", so make sure you take the main path down to the right and not the one that branches off to the left! This point is not marked on the route and we got confused and walked 1km too far before turning back.
The finish is on the road. The last kilometre isn't great, so it might be worth taking a path through the woods and extending the route.

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bouviak
bouviak

Overall rating : 4.3 / 5

Date of your route : Feb 21, 2016
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good

A magnificent hike, not recommended for those who are afraid of heights, but such beauty! Thank you again.

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bernardino
bernardino ★

Magali
Thank you for your comment about the signposting. I have just made the change.
And I'm delighted that you enjoyed the hike; it really is a beautiful outing.

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Magali67
Magali67

Overall rating : 5 / 5

Date of your route : Aug 29, 2015
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good

From the start at Pas de L'Allier, the markings are no longer green/yellow but red/yellow.
Steep but passable climb between 3 and 4. Break time 45 minutes.
The view is truly beautiful, both over Les Goulets and La Bourne

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mimi26
mimi26

Overall rating : 4.7 / 5

Date of your route : Aug 31, 2014
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good

A very beautiful walk with views on both sides of the cliffs.
Just one downside: the advertised elevation gain is incorrect: 700 m is closer to reality! And 5 hours of walking too!
But that doesn't detract from the quality of this hike.
Best wishes to all.

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