Les Monges and Coste Belle from Authon

A beautiful hike that will take you to the easy summit of Les Monges, a magnificent viewpoint with a 360° view.

Details

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  • Walking
    Activity: Walking
  • ↔
    Distance: 14.42 km
  • ◔
    Average duration: 6h 50 
  • ▲
    Difficulty: Difficult

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 956 m
  • ↘
    Descent: - 956 m

  • ▲
    Highest point: 2,110 m
  • ▼
    Lowest point: 1,219 m

Photos

Description of the walk

From Authon, take the forest track that starts north of the village. Park on a small lay-by on the right-hand side of the road, by the stream.

(S/E) From the lay-by, ford the stream and join the path that starts on the other bank.

(1) At the edge of a track that you should leave on your left, turn right and continue south-west along the path. Make a hairpin turn to the left and continue along the ridge.

(2) At a fork, continue straight on the Crête de Pierre-Mont (ignore the path that branches off to the right). The ridge widens and flattens out (a good place to take a break). Continue along a path that is sometimes poorly marked but compensated for by a few cairns, taking care to stay roughly on the ridge line, until you reach a large grassy area with gentle terrain.

(3) Follow the path or cut across the meadows, making sure to head north towards the Coste Belle cliffs.

(4) At the edge of the cliffs (sometimes rocky areas, sometimes just a steep grassy slope), continue north-east. The route passes close to the edge on the left, but is not dangerous (keep a safe distance). Continue towards the summit on a path that often disappears, but just keep climbing with the cliffs on your left. Reach the summit, a vast meadow offering a magnificent 360° panorama.

(5) Continue north on the clearly visible, direct path to the summit of Coste Belle.

(6) Continue north-west on a fairly well-marked path. Cross a fairly wide, grassy passage between two prominent hills. The path becomes clearer and clearer, sometimes cutting into the rocks but presenting no difficulty. After a fairly long descent along the ridge, you will reach an intersection near some trees.

(7) Take the path that descends to the left. Follow a few steep switchbacks in a rocky area and continue west on the straight path of Crête de Raus.

(8) At Col de la Sapie (gate), at the trail junction, take the clearly visible trail that descends to the left, heading due south. Follow the trail as it winds down the sometimes steep slope to a vehicle track.

(9) Follow the track to the left. At an intersection, continue straight ahead (south). Stay on this wide forest track downhill along the valley, ignoring the side tracks. This will take you back to the starting point (S/E).

Waypoints

  1. S/E : km 0 - alt. 1,219 m - Median strip near the ford
  2. 1 : km 0.82 - alt. 1,369 m - Fork
  3. 2 : km 1.81 - alt. 1,483 m - Fourche - Crête de Pierre-Mont
  4. 3 : km 4.5 - alt. 1,886 m - Les Plaines
  5. 4 : km 4.92 - alt. 1,929 m - Edge of the cliff
  6. 5 : km 6.09 - alt. 2,110 m - Summit - Les Monges (2114m)
  7. 6 : km 6.4 - alt. 2,097 m - Sommet de Coste belle (2111m)
  8. 7 : km 7.36 - alt. 1,909 m - Crête du Raus - Col de la Crête du Raus
  9. 8 : km 10.31 - alt. 1,731 m - Col de la Sapie (1774m)
  10. 9 : km 12.1 - alt. 1,404 m - Forest track
  11. S/E : km 14.42 - alt. 1,219 m - Median strip near the ford

Notes

There is no shelter or water source, so be sure to bring the necessary equipment.

Worth a visit

A host of beautiful views and amazing geological formations.

Reviews and comments

4.9 / 5
Based on 19 reviews

Reliability of the description
4.9 / 5
Ease of following the route
4.8 / 5
Route interest
5 / 5
Bessillon
Bessillon

Overall rating : 5 / 5

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

Very beautiful course.

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Bartozzi
Bartozzi

Overall rating : 4.3 / 5

Date of your route : Mar 24, 2025
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

We encountered snow before reaching the summit of Les Monges, but it wasn't a problem.
The descent from the summit of Coste Belle required us to put on our mountain crampons to navigate along this sometimes icy ridge with snow-covered slopes on our right.

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Nino_crts
Nino_crts

Overall rating : 4.7 / 5

Date of your route : Nov 18, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

A very beautiful hike, definitely worth the detour!
I did it at the end of November, so be aware that there can be up to 40-50cm of powder snow at the top.
Magnificent all the way, it took me 6½ hours to reach the end with a few breaks and, above all, unsuitable equipment, so make sure you have waterproof boots and possibly walking sticks.
A little black ice in places.

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Klodeko
Klodeko
• Edited:

Overall rating : 5 / 5

Date of your route : Nov 11, 2024
Reliability of the description : Not used / Not applicable
Ease of following the route : Not used / Not applicable
Route interest : ★★★★★ Very good
Very busy route : No

I did this with my two dogs, starting from the car park in Authon. The access track is very easy to drive on.
Cross the small wooden bridge over the stream to continue into the forest before enjoying the panoramic views from the horseshoe-shaped ridge. The climb is steady and it is easy to follow the trail and the clearly visible cairns. It feels like you could reach out and touch the Bure plateau or the Fort de Dormillouse 🤩 The descent along the northern ridge is easy and prolongs the pleasure. We head south to begin a series of switchbacks, then a few peaceful cows watch us pass as we reach the forest road. A 19km loop starting from Authon, with an elevation gain of 1070m, completed in 3.5 hours without photo breaks.
🐕🐕🚶⛰️

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Fanny3804
Fanny3804

Overall rating : 4.3 / 5

Date of your route : Aug 03, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★★ Very good
Very busy route : No

A very beautiful hike that climbs right from the start. It is very easy to follow the route to the pasture. Once on the ridges, take the time to locate the wooden markers. The view from the summit is breathtaking

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quito84
quito84

Overall rating : 5 / 5

Date of your route : Jun 04, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Very beautiful loop, superb ridges. Thank you for the suggestion!

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IanisC
IanisC

Overall rating : 4.7 / 5

Date of your route : Jun 01, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

A lovely hike, completed in exactly four hours, not counting the lunch break. Beautiful views all the way to the descent on the forest track. No water on the route except at the very beginning and the very end, so bear this in mind during hot weather.

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Duprez Michel
Duprez Michel

Overall rating : 5 / 5

Date of your route : May 27, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

A very beautiful route, well described technically, with high-quality signposting that makes it easy to follow. To be done and redone without moderation.

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MarquinhosDoBrasil
MarquinhosDoBrasil
• Edited:

5 hours and 40 minutes of hiking, not 4 hours and 50 minutes as I mistakenly stated in my previous message... I finally managed to correct my initial message. This is my first comment on Visorando...

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MarquinhosDoBrasil
MarquinhosDoBrasil
• Edited:

Overall rating : 5 / 5

Date of your route : Apr 17, 2024
Reliability of the description : Not used / Not applicable
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Hike completed in April 2024, in 5 hours and 40 minutes (not including lunch break), including a 2½-hour climb in sunny but cold weather (5 to 7°C). The 360° panorama is magnificent, with views of the Vercors, Devoluy, Ecrins, Queyras and Ubaye mountain ranges, Mont Ventoux and Sainte Victoire on the horizon.
Most of the route along the ridges is a delight, despite the strong gusts of wind on that particular day.
To be done again and again!

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LOREAU
LOREAU

Overall rating : 5 / 5

Date of your route : Dec 16, 2023
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Outing in December after a light dusting of snow across the entire mountain range! Excellent visibility thanks to clear winter skies without a cloud in sight. EXCEPTIONAL panoramic views at the summit, but also along most of the route, which mainly follows ridges. The distance should not be underestimated (especially in winter, given the short days). This is an unmissable, varied hike, offering fabulous views of the landscape throughout. A short section of the return journey is on a track, but this is not a problem as the vast majority of the hike leaves you with unforgettable memories.

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ValenRando
ValenRando

Overall rating : 5 / 5

Date of your route : Nov 26, 2023
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

A very beautiful hike.
I recommend it

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Manu Fonfon
Manu Fonfon

Overall rating : 5 / 5

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

We completed the circuit in just 4½ hours without pushing ourselves too hard. The estimated time of 6 hours 50 minutes is really quite generous.
The circuit is not difficult. It is very well marked.
A superb hike until the final trail, which is a bit tedious, like all trails..
Special mention for the section from the start to the Col de la Sapie, which is a good three-quarters of the hike and frankly superb

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Jujub34
Jujub34

Overall rating : 5 / 5

Date of your route : Aug 11, 2023
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Magnificent, varied landscapes. The climb starts off a little steep, but parish specific to Brittany very quickly becomes gradual and pleasant, with false flats where you can catch your breath. Enjoyable descent, mainly through the forest, except for a short section over loose rocks.

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Bellelurette
Bellelurette

Overall rating : 5 / 5

Date of your route : May 30, 2022
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

The trail is very well marked. First with GR signs, then with yellow ones.
In May, there are magnificent wild pansies.
At the summit, golden eagles

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