From Dionay to Saint-Antoine l'Abbaye

You walk along the foothills of the Chambarans until you reach the unmissable medieval village of Saint-Antoine l'Abbaye with its famous abbey. You have constant beautiful views of the northern barrier of the Vercors.
The only difficulty is the high mileage.

Details

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  • Walking
    Activity: Walking
  • ↔
    Distance: 20.35 km
  • ◔
    Average duration: 7h 15 
  • ▲
    Difficulty: Difficult

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 506 m
  • ↘
    Descent: - 514 m

  • ▲
    Highest point: 633 m
  • ▼
    Lowest point: 350 m

Photos

Description of the walk

Head to the village of Dionay, located north-west of Saint-Marcellin in Isère. Park your vehicle in the small car park near the town hall or in the one behind it, below the town hall.

(S/E) Take the D27a eastwards, between the church and the town hall. Pass the municipal weighbridge and immediately take the small road down to the right.
You will soon see the sign for "Pinet - 480m". Turn left towards Grand Grange. You are now on the tramway, which climbs gently towards the Chambarans hills.
When you come to a small road, turn right and, a little further on, leave this same small road on the right and take a grassy path. When you return to the road, continue straight ahead along the tram line.

(1) At a hairpin bend, you will reach a tunnel, which you can easily cross thanks to the torch you have taken care to bring with you. You will come to a road; cross it and continue straight ahead.

(2) You will pass two gates used to secure a field. Make sure you close them behind you.

(3) You arrive at the sign for "Grand Grange - 620m". You come to a fork in the road; take the right-hand path.

(4) You will arrive at Chapelle Rodon (sign). There are tables and benches where you can take a break if you wish. You will come out onto the D20, which you will follow downhill to the right (there is a sharp bend to the left). Be careful, as traffic travels fast here. Once you have passed the bend, you will see the small road you need to take opposite you (to the left of the road, signposted "Bessins 3km"). Almost immediately, turn left again onto the small road that goes uphill (Chemin de la Feta).
Just before a house, turn right onto the Reneliers descent (sign). After the last house, the tarmac gives way to a grassy dirt track. Continue downhill until you return to the D20a. You can no longer take the road opposite. You must take the D20a on the left, go around the bend to find a road that branches off to the right (yellow markings). This road will take you to the village of Bessins.

(5) Go to the church in Bessins and continue downhill until you see the cemetery on your right (there is a water point at the entrance). Turn left (away from the cemetery).

(6) When you reach the sign for "Mercier - 438m", turn right onto Allée du Puits Saint-Ange, then quickly take the first path on your left towards Le Mouret (sign). At a fork, take the left branch. You will come out onto a small road, which you take on the right to enter Saint-Appolinard.

(7) Continue to the church, which you will pass on the D20, heading south. At the village exit, a sign will point you towards Saint-Antoine and Font du Loup (1.3 km). Follow the direction indicated on the right. Continue to the cemetery (there is a water source along the wall) and turn right. Your small road leads to a walnut grove.

(8) Be very careful in the walnut grove. This is where orientation is most difficult. You will see a thin white stake topped with a plaque bearing the number "680". There is no real path on your right. Nevertheless, proceed diagonally, following the path created by the walnut trees. You will soon reach the edge of the walnut grove and discover a well-marked, sunken path that descends into the valley. Take this path.

(9) You will come out onto a small road. You will see the sign "Font du Loup - 376m". Take the small road on the right. On your left, you will see a field. At the end of the field, take the path on your left that goes uphill (discreet yellow markings). When you reach a road, make a first turn left then right, ignoring the path that goes uphill opposite. You will come to a small road, which you take on the right, and very quickly arrive at a crossroads. Turn right again. At the end of the straight road, as the road turns to the right, take a faint path opposite, in the grass, along a hedge (laurels, hazelnuts, boxwood).

(10) At the end of the hedge, take the path on the left, which is not very obvious at first but becomes clearer once you have gone around the corner of a building. Descend for a while until you come to a small road, which you take on the left.

(11) You will arrive at a crossroads with a sign for "Les Gavaniottes-368m". Turn right (towards "Frison - 1.3 km"). At the next fork, take the left-hand path (chemin du lavoir). Then, fairly quickly, take the path that descends to the right. You will come out onto another road, which you should take straight ahead. After passing a crossroads, take the left fork (route de Frison, yellow and red markings). Leave the tarmac road that leads to a private property and take the path that descends to the right.

(12) You will arrive at the Étang de Frison (or Étang de Chapaize). Go around it on the left, taking the dyke. Once you have passed the dyke, take the path that goes up to the right.

(13) You will arrive at Champeux (metal cross on the left, sign on the right). Take the sunken road between the two, heading towards "La Cuma". You will arrive at the D27, which you will take to the right, leaving it very quickly by taking the lane on the right (Rue de la Ménagerie). You will enter the village of Saint-Antoine l'Abbaye. You will arrive in front of the imposing gate of the abbey with its colourful, varnished roof. Go through it to enter the large courtyard of the abbey, a sort of tree-lined esplanade. Go to the back, to the abbey.

(14) Enter the Abbey and take the time to enjoy the coolness and admire the frescoes in particular.
Once you have finished your visit, return to the esplanade and enter the large porch leading to the museum. Exit at the back and take the alleyway that climbs up to the right. You will see picnic tables in front of you. Turn left (Chemin du Clos) to reach the stadium. At the fork, turn right. Your path will also turn right and then climb steeply.

(15) When you reach the sign for "L'enclos - 441 m", turn left and follow this small road, which climbs for a good while. Then it descends again.

(16) You will come to a T-junction (signposted La Bâtie - 490 m). Turn right and continue along this small road.

(17) You will pass the charming Saint-Jean le Fromental chapel hidden among the trees. Take the opportunity to stop for a break. Continue along the road towards the sign for "Saint-Jean le Fromental - 490m" and go straight on towards Dionay (1.4 km). Climb up to the antenna.

(18) When you reach the antenna (sign for "Cul de Perrette - 507m"), turn left. Your path will turn right, winding down into a valley before climbing back up to Dionay, your starting point (S/E). So we've completed a circular path!

Waypoints

  1. S/E : km 0 - alt. 489 m - Dionay Town Hall
  2. 1 : km 2.29 - alt. 566 m - Tunnel
  3. 2 : km 3.53 - alt. 596 m - Two gates to close behind you
  4. 3 : km 4.08 - alt. 617 m - Grand Grange sign 620m
  5. 4 : km 5 - alt. 628 m - La Chapelle Rodon sign 630m
  6. 5 : km 7.03 - alt. 477 m - Church and Town Hall of Bessins
  7. 6 : km 7.47 - alt. 438 m - Mercier sign 438m
  8. 7 : km 8.75 - alt. 452 m - Church of Saint-Appolinard 447m
  9. 8 : km 9.58 - alt. 447 m - In the walnut grove: on a white stake marked No. 680
  10. 9 : km 10.07 - alt. 375 m - Signpost La Font du Loup 376m
  11. 10 : km 10.8 - alt. 479 m - At the end of the hedge, take the path on the left
  12. 11 : km 12.17 - alt. 375 m - Les Gavaniottes sign 368m
  13. 12 : km 13.32 - alt. 352 m - Chapaize or Frison lake
  14. 13 : km 14.25 - alt. 389 m - Signpost Champeux 385m
  15. 14 : km 15.55 - alt. 374 m - Saint Antoine Abbey
  16. 15 : km 16.77 - alt. 438 m - Signpost L'Enclos 441m
  17. 16 : km 17.97 - alt. 484 m - Signpost La Bâtie 490m
  18. 17 : km 18.57 - alt. 470 m - Chapel of Saint-Jean le Fromental
  19. 18 : km 19.08 - alt. 510 m - Signpost Le Cul de Perrette 507m
  20. S/E : km 20.35 - alt. 489 m - Dionay Town Hall

Notes

(1) Bring a torch to light your way through the tunnel.

Along the route, there are water points at the cemeteries in Bessins and Saint-Appolinard, which we pass by.
There are picnic tables at the Rodon Chapel and at the exit of Saint-Antoine l'Abbaye.

There are no shops in Dionay or Bessins. There is a bakery in Saint-Antoine l'Abbaye (to the east of the village), as well as numerous bars, restaurants, craft shops, etc.

Worth a visit

Reviews and comments

4.5 / 5
Based on 17 reviews

Reliability of the description
4.5 / 5
Ease of following the route
4.4 / 5
Route interest
4.7 / 5
Durand Gilles
Durand Gilles

Overall rating : 4.3 / 5

Date of your route : Aug 25, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

Beautiful hike with magnificent panoramic views
The effort is well distributed throughout the route

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Paloma M.
Paloma M.

Overall rating : 4.7 / 5

Date of your route : Mar 16, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

A beautiful, varied hike with alternating ascents and descents.
To be able to take a midday break in Saint Antoine l'Abbaye, which is well worth visiting, we started the hike at the Chapelle de Rodon. However, this part of the route is mostly downhill (from 4 to 14), while the return to Dionay involves fairly steep but short climbs (from 14 to S/E). And the junction between Dionay and the Chapelle de Rodon (from S/E to 4), which follows the route of the old tramway, is a very steady climb with varied landscapes. It is therefore preferable to start this hike here for a gradual "warm-up".
The indicated walking time of 7 hours 15 minutes is a little long. We are average walkers, aged 70, and completed this hike in 5 hours 30 minutes, not including breaks.
We recommend this hike.

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promenades
promenades

Overall rating : 4.3 / 5

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

A very beautiful hike, especially on a sunny day. We started from Saint-Antoine-l'Abbaye to avoid the final climb at the end of the route. Lovely view of the snow-capped Alps. The tunnel is very short, so we crossed it without torches. We found the elevation gain to be greater than advertised, around 600 metres both uphill and downhill. At the moment, the paths are muddy and slippery. The abbey in Saint-Antoine is magnificent; take the time to visit it. We passed through pretty little villages and walnut groves. We would happily do this again.

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robert heyer
robert heyer

Overall rating : 4 / 5

Date of your route : Dec 03, 2023
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★★ Very good
Very busy route : No

It's difficult to find your way between the 2nd and 4th kilometres, as you get lost in a maze of unmarked paths. After that, follow the PR and GR trails indicated in Visiorando. It's a very beautiful hike (sometimes on snow-covered paths) without any major difficulties. You pass from one valley to another, with a pleasant slide where you sometimes have to push yourself a little.

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Kalou38
Kalou38
• Edited:

Overall rating : 5 / 5

Date of your route : Oct 30, 2023
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

An excellent hike that I have already done several times.
Special mention for the section through St Antoine l'Abbaye, where you can stop for a bite to eat or a drink in one of the many bars and restaurants there.

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Edullin
Edullin

Overall rating : 4.7 / 5

Date of your route : Oct 13, 2023
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

Thank you for this beautiful route, which I used in trail mode.
It was chestnut season, and the woodland was very beautiful.
The renovation of St Antoine Abbey is a fine piece of work.

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mariethe.
mariethe.

Overall rating : 3.7 / 5

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

Beautiful hike
GPS essential

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force3857
force3857

Overall rating : 5 / 5

Date of your route : Apr 26, 2022
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

A beautiful hike, but we set off from St Antoine l'Abbaye rather than Dionay, which means you start with a hill in the morning
And in the evening, the end is easier

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Conforti
Conforti

Hello. I did not complete the St Antoine route in Dionay.
I walked the 9 km route starting from Dionay, which follows part of the old tram line.
It started in St Marcelin and ended in Lyon (which is very nice)
Kind regards.

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Dom38Vo
Dom38Vo

Overall rating : 4 / 5

Date of your route : Jul 29, 2021
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

I don't know if the route was well attended.

Best regards.

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nom
nom

Overall rating : 5 / 5

Date of your route : Feb 28, 2021
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

A very pleasant hike through varied terrain (old tram line, footpath, small road, walnut grove, village, etc.).
Well-marked trail, very clear directions (even when it says to be careful at point 8)
20 km, but no difficulty at all, even on your own.

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Joëlle C1.
Joëlle C1.

Overall rating : 5 / 5

Date of your route : Oct 01, 2020
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

The route sometimes follows a road, but it is not very busy and allows us to pass through some charming little villages

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Maryla
Maryla

Overall rating : 5 / 5

Date of your route : Aug 03, 2020
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

A very beautiful day hike, alone on the trail.
No difficulties except for its length, for some.

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jcmichel
jcmichel

Overall rating : 5 / 5

Date of your route : Feb 11, 2020
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good

Beautiful winter hike. Varied landscapes and obvious "tourist" interest with the route along the old tramway and a visit to the magnificent Abbey of Saint Antoine. Very accurate description on the Visorando website. No chance of getting lost. Well done and thank you to the hiker who posted it online.

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chantecigogne
chantecigogne

Overall rating : 5 / 5

Date of your route : Jun 24, 2019
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good

Hello,
This hike is fantastic in every way. The route is not dangerous, but due to its length, it is only suitable for experienced walkers.
I also think it's best to avoid high temperatures, especially during the last few kilometres
Of course, I would like to take this opportunity to thank the person who mapped out the route

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