Destination: Saint-Genix

This circular hike via the Col de Vassieux, But Saint-Genix and the Pas des Boullanains offers magnificent panoramic views of the Vercors, the Diois and the foothills of the Baronnies and Ventoux.

Details

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  • Walking
    Activity: Walking
  • ↔
    Distance: 16.95 km
  • ◔
    Average duration: 8h 05 
  • ▲
    Difficulty: Difficult

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 1,141 m
  • ↘
    Descent: - 1,134 m

  • ▲
    Highest point: 1,639 m
  • ▼
    Lowest point: 593 m

Photos

Description of the walk

To get to the start, at the roundabout at the entrance to Die coming from Crest, turn left towards Marignac-en-Diois. Join the D543, continue left and at the three-way junction, follow the D543a to the right. At the exit of the gorges, leave the road that leads to Marignac-en-Diois and turn right towards the hamlet of Les Chambards. At the entrance to the hamlet, take the first small road on the right, just behind a house. After a few metres, cross a bridge and park on the right in the small car park with picnic tables.

(S/E) Continue south along the road and take the path that climbs to the left at the bend. When you reach the edge of the woods, follow the path to the left that runs alongside a field and then enters the woods.

(1) At the crossroads, turn right (east-northeast) onto the less marked path and begin a gradual climb. You will then come to a clearly visible path which you should follow to cross a small valley. Climb steadily to reach the Col de Vassieux. Crossing a small stream (marked on the IGN map) indicates the final approach to the pass.

(2) At the pass, turn left and follow the ridge. Pass the first hill, ignore the path branching off to the right at the next dip (between passes) and continue to the Col de la Chau.

(3) Continue straight ahead, still on the ridge (ignore the path branching off to the left downhill). On the final climb, ignore another path (not very visible) branching off to the left and continue to the summit of But Saint-Genix (panoramic view).

(4) Continue to follow the edge of the cliffs, north-north-east. At the entrance to the woods, the path climbs a little then turns right downhill and joins a track.

(5) Continue left and reach Pas Bouillanain in a small grassy area at the edge of the slope.

(6) Descend to the left along a small, barely visible path that winds twice before entering the woods on the left below. The path then becomes a little more visible and continues almost horizontally (ignore the few small paths leading downhill). Alternating between woods and scree, you will reach a crossroads with four paths.

(7) Take the path opposite, which begins a slight descent. It continues gently downhill, making wide hairpin bends. Almost directly below the small pass of Côte Giraud, at the third bend, ignore the path branching off to the left and continue downhill to the right, following the most visible path. The final stretch is almost horizontal and leads to the track at Côte Giraud.

(8) Continue along the track to the left. Ignore a path branching off to the right, start a slight ascent and cross the Torrent de Payanne ravine. At the end of the straight section after the ravine, look for a path branching off to the left.

(9) Take the path on the left that starts at the edge of the track and enters the undergrowth. A few metres further on, ignore a barely visible path leading uphill and continue along the hillside until you reach the next junction at Clot Hubert. Continue to the right downhill and you will soon reach the next junction.

(10) Turn left (ignoring the path that continues towards a small building a hundred metres further on) and descend the winding path. At the track, continue to the right.

(11) Before starting a large right-hand bend, take an old logging track on the left which descends steeply and straight to the bottom of the valley. Join a new track and follow it downhill to the road at the hamlet of Les Chambards.

(12) Walk a few metres to the left, then take the road on the right to the exit of the hamlet of Les Chambards. Take the first left, cross the bridge and you will reach the car park with picnic tables (S/E).

Waypoints

  1. S/E : km 0 - alt. 595 m - Car park with picnic tables.
  2. 1 : km 0.56 - alt. 661 m - Turn right onto the less marked path.
  3. 2 : km 3.91 - alt. 1,328 m - Col de Vassieux (1333m)
  4. 3 : km 5.11 - alt. 1,428 m - Col de la chau (1434m)
  5. 4 : km 6.31 - alt. 1,639 m - Destination: Saint-Genix
  6. 5 : km 7.69 - alt. 1,506 m - Track, on the left
  7. 6 : km 8.27 - alt. 1,442 m - Pas Bouillanain, on the left
  8. 7 : km 10.3 - alt. 1,352 m - Crossroads of four trails, opposite
  9. 8 : km 12.43 - alt. 1,039 m - Côte Giraud, on the left
  10. 9 : km 13.34 - alt. 1,004 m - Leave the track, trail starts on the left.
  11. 10 : km 13.96 - alt. 998 m - Crossroads, left
  12. 11 : km 15.24 - alt. 824 m - Leave the track on the left.
  13. 12 : km 16.52 - alt. 614 m - Road, left then right
  14. S/E : km 16.95 - alt. 595 m - Car park with picnic tables.

Notes

Bring enough water for the hike, which covers approximately 1,100 metres of elevation gain and 17 kilometres in length.
Avoid in hot weather.
The ascent and descent are sheltered from the wind, but bring protection from the Col de Vassieux to the Pas Bouillanain.

Possible alternative: Col de Vassieux starting from Marignac.

Reviews and comments

4.8 / 5
Based on 5 reviews

Reliability of the description
4.8 / 5
Ease of following the route
4.6 / 5
Route interest
5 / 5
BRUN Mireille
BRUN Mireille

Overall rating : 5 / 5

Date of your route : Apr 22, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Hello
Hike completed on 19/4
No one else around, strong winds at the summit, flowers galore
Very beautiful route
The crossing of the scree slope is very beautiful

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mazolino26
mazolino26
• Edited:

We only did the But d'Aiglette via the Chironne rocks... Very, very good.

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greggy26
greggy26

Overall rating : 4.7 / 5

Date of your route : Jul 09, 2022
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : Yes

Hike completed in good weather with a detour via But de L'Aiglette and Rochers de Chironne (6 km round trip)
360° view at But Saint Genix
Be careful of your ankles on the rocks after the Pas Bouillanain and on the very steep descent after leaving the trail on the way back

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Lozier
Lozier

Overall rating : 4.3 / 5

Date of your route : Oct 16, 2020
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

The description is well done. This hike was done in good weather and high temperatures, but we enjoyed an excellent panoramic view.

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ardechom
ardechom
• Edited:

Overall rating : 5 / 5

Date of your route : Jun 23, 2019
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good

A very beautiful, fairly challenging hike. In my opinion, this route is more interesting than the climb via Vassieux (which offers fewer views). From the summit, there is a magnificent panorama. Thank you to the author of the description.

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TAULEIGNE
TAULEIGNE

Overall rating : 5 / 5

Date of your route : Dec 24, 2018
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good

Beautiful walk
Beautiful view of the snow-capped mountains;
Watch your ankles on the scree after the Boullanain pass.
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