Circular on Justin Mountain from Ausson

Circular on trails, paths and tracks, visiting some of the characteristic sites of the Justin mountain, Pas du Renard, forest lodge, Bât de l'Âne. Beautiful views of the peaks of the southern Vercors and more wooded areas.

Details

1824494
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  • Walking
    Activity: Walking
  • ↔
    Distance: 12.14 km
  • ◔
    Average duration: 5h 20 
  • ▲
    Difficulty: Moderate

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 649 m
  • ↘
    Descent: - 647 m

  • ▲
    Highest point: 1,045 m
  • ▼
    Lowest point: 531 m

Description of the walk

Access At the southern exit of Die, between the Meyrosse car park and the RD93 roundabout, cross the level crossing and take the RD244 to the hamlet of Ausson. In the hamlet, turn right between two buildings towards the Ausson farm (Chemin de Beaufays). Continue straight ahead, passing the access road to the farm (yurt lodge), and walk a few hundred metres up the track at the bottom of the valley.
You can park on the left on a platform just after a small ford (be careful if you have a low-clearance vehicle). There are few other parking options before this point, so please do not obstruct residents or agricultural or forestry vehicles.
Alternatively, park before the hamlet of Ausson towards Les Grimauds (at the crossroads with the track known as "Chemin de Barral") and walk to the starting point along this track.

(S/E) Follow the forest track north-west, at the bottom of the valley, for about 800m until you reach an ONF barrier. Go through this barrier and continue for a few metres until you reach a trail on the right (marked).

(1) Take this path which climbs into the forest, ignoring a few shortcuts. After a series of hairpin bends, you will come out onto a logging track (Beauvoisin signpost).

(2) Take this track on the left, which is initially level, then climbs slightly, crosses two ravines and heads generally south. A few metres after thesecond ravine, you will find a path leading off to the right (marked).

(3) Climb this winding path, paying attention to the markings and ignoring secondary tracks (note that the IGN map is sometimes inaccurate up to Pas de Damiane). After a slightly bushy forest section, the more pleasant path arrives at Pas du Renard (a steep passage between two rocks). After this pass, the trail makes a sharp turn to the left, passes a viewpoint before continuing between the box trees and leading to a forest track (Pas de Damiane signpost).

(4) Take the track on the right, ignore the first path, before finding a marked trail on the left.
Take this path, which climbs to a junction of several paths.

(5) Ignore the paths branching off to the left and right and continue on the middle path (westbound), which descends. You will arrive at another forest track. Take it to the left until you reach Justin's lodge.

(6) Just before the lodge, take the path downhill to the right, which levels out and then climbs slightly. Leave a fork to the right towards the Col du Lion before arriving at the Bât de l'Âne path (viewpoint). Continue along this narrow path. It descends to pass under a barrier before coming out onto a track which you take to the right uphill. This straight track leads to another track suitable for vehicles. On the left, you can go to the Croix de Justin (viewpoint over Die, cross, antennas)

(7). Take this track on the right, continue for just under 200 metres and, before an ONF barrier, look for a marked path that climbs to the left above the track.
Take this path, which climbs gently to a small pass north of Serre des Pins. Continue downhill along a path heading east.

(8) Leave a path climbing up to the right towards the Col du Lion and continue downhill. The path becomes a trail, making three hairpin bends before arriving at the Col de Beauvoisin.

(9) Take the path on the right (southbound) and follow it until you reach a path descending to the left (Beauvoisin signpost), which you will have already encountered on the way up.

(2) Take this path on the left and, following the route you took on the way up, return to the starting point (S/E).

Waypoints

  1. S/E : km 0 - alt. 531 m - Forest track
  2. 1 : km 0.81 - alt. 616 m - Take the path on the right
  3. 2 : km 1.88 - alt. 795 m - Path on the left (Beauvoisin signpost)
  4. 3 : km 2.77 - alt. 826 m - Path on the right
  5. 4 : km 3.56 - alt. 987 m - Track on the right (Pas de Damiane signpost)
  6. 5 : km 3.98 - alt. 1,009 m - At the trail junction, take the middle trail
  7. 6 : km 4.81 - alt. 958 m - Path on the right before the forest lodge
  8. 7 : km 6.98 - alt. 968 m - Turn right onto the track suitable for vehicles
  9. 8 : km 8.29 - alt. 996 m - Continue straight downhill
  10. 9 : km 8.88 - alt. 940 m - Col de Beauvoisin
  11. S/E : km 12.14 - alt. 533 m - Forest track

Notes

This hike follows a network of marked trails.

Water source (unmonitored) at the Justin forest lodge.

Justin's forest lodge is closed, but the surrounding area is pleasant for a picnic.

Best done in mid-season, possible in winter depending on conditions (possibility of snow or ice), hot in summer.

Longer alternative route (recommended) from (5): turn left to pass successively through Pas du Corbeau (easy but exposed passage, take care), Col de Beaufayn and Pas de Tripet to rejoin the route at the forest lodge (6).

Shorter variant from (5): take the path on the right to reach the Col du Lion, then follow a balcony path to reach (8).

Worth a visit

Views of the mountains of southern Vercors and Diois.
Town of Die.
Wine cellars (Clairette de Die).
A lodge at the start of this hike: La Ferme d'Ausson.

Reviews and comments

4.7 / 5
Based on 15 reviews

Reliability of the description
4.6 / 5
Ease of following the route
4.7 / 5
Route interest
4.7 / 5
cornet22
cornet22
• Edited:

Overall rating : 4 / 5

Date of your route : Apr 10, 2026
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

A lovely hike, taking the route via the ridges (Col de Beaufayn, Pas du Tripet) as suggested by the author. 17.5 km in total. Numerous viewpoints offering views of almost 360°.

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did05
did05

Overall rating : 5 / 5

Date of your route : Feb 10, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

easy route at a leisurely pace. Beautiful views of Glandasse and Veymont. From the Justin cross, beautiful view of Die. Easy route, very well marked.

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Daniel Maciocia
Daniel Maciocia

Overall rating : 5 / 5

Date of your route : Nov 30, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

very pleasant walk. The climb to the Justin cross is worth the detour, with a lovely view of the Glandasse

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Thierryb26
Thierryb26
• Edited:

Thank you for your feedback, and feel free to explore the area beyond the suggested itinerary (that's what hiking is all about).

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BRUN Mireille
BRUN Mireille

Overall rating : 4 / 5

Date of your route : Aug 14, 2023
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

Beautiful view

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nicovercors
nicovercors

Overall rating : 5 / 5

Date of your route : Jun 26, 2023
Reliability of the description : Not used / Not applicable
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Many thanks for this magnificent hike, which has become one of my favourites. I recommend taking a little detour via the Col de Baufayns; it's really worth it for the beautiful scenery and the feeling of being alone in the world

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Zourito
Zourito

Overall rating : 4.7 / 5

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

A very pleasant, accessible hike that climbs gently through the forest. Best done in good weather, as there are numerous viewpoints over the Vercors and Glandasse mountains. Finding the path is easy with a satnav or the Visio Rando app.

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aulagner
aulagner

Overall rating : 5 / 5

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

A beautiful, sunny and cool parish-specific to Brittany hike in the middle of winter with a little snow above 800 metres. You need to follow the signs carefully as there are many paths and junctions.

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dockerlascar
dockerlascar

Overall rating : 4.7 / 5

Date of your route : Nov 07, 2021
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Please note that logging operations are currently obstructing the trail on the uphill section of the hike.

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Elorando
Elorando

Overall rating : 5 / 5

Date of your route : Oct 15, 2021
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Great hike, thank you! We didn't have the energy to do the 5-hour hike, so we did the shorter version: at point 5, we headed towards Col du Lion and crossed a ridge to reach point 8. It was a beautiful hike, and we didn't see a single soul. The shorter version took about 3½ hours.

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gfeller
gfeller

Overall rating : 4.7 / 5

Date of your route : Aug 05, 2021
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

A pleasant, shaded route that is worth extending to between 5 and 6 hours, as recommended.
Parking available for 3-4 vehicles at the ONF barrier.

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Thierryb26
Thierryb26

Sorry for you, it's worth doing it again when the weather is nice

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fanfan26
fanfan26

Overall rating : 4 / 5

Date of your route : May 31, 2021
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

In the rain!!

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Alice69100
Alice69100
• Edited:

Overall rating : 4.3 / 5

Date of your route : Aug 17, 2020
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

The signposting (direction signs at strategic crossroads) was very good, and we ended up following it more than the Visorando description (which was also very good!). A lovely walk, not too sunny, with lots of beautiful views and open spaces.

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mamylore
mamylore

Overall rating : 5 / 5

Date of your route : Feb 05, 2020
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good

pleasant stroll

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