Towards the Grand Arc from the Refuge de la Thuile

A beautiful hike in an area that is very open right from the start, with panoramic views of the Chartreuse, the Bauges, the Aravis and the Beaufortain. On the ridge, the views extend to include Mont Blanc, the Vanoise and the Écrins...

Details

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  • Walking
    Activity: Walking
  • ↔
    Distance: 4.73 mi
  • ◔
    Average duration: 4h 05 
  • ▲
    Difficulty: Difficult

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 2,201 ft
  • ↘
    Descent: - 2,201 ft

  • ▲
    Highest point: 7,700 ft
  • ▼
    Lowest point: 5,814 ft

Description of the walk

From Bonvillard, follow the road initially, then take an 8.5 km forest track from the Champeney car park to reach the buildings at the Thuile mountain pasture: a sheepfold and a mountain hut.

(S/E) From the car park, head up towards the buildings, go round the mountain hut and set off along the track that passes above it. After 250 m, you’ll reach a fork in the track.

(1) Ignore the track straight ahead towards the Croix de la Malanouette and take the track branching off to the right. Follow it to Lac de Fontaine Claire, after which it becomes a steeper path. Snowfields may still be present on this section. You’ll reach the ridge in just over an hour.

(2) Head right along the ridge; apart from a few cairns, the path is not signposted but is nevertheless clearly marked. The ridge is often narrow, sometimes very narrow: indeed, the path sometimes runs along the left or right flank of the ridge, and caution is advised on these more exposed sections.

(3) Look out for the path on the right, which you will take on the way back, and continue to follow the ridge through a series of short ascents and descents. This will take you to the base of the final slope at the foot of the final ridge.
Only attempt the final ascent in dry weather and when there is no snow on the slopes.

(4) Turn back.

(3) Leave the ridge and take an alternative route via the very narrow path on the left, which crosses the hillside to rejoin the ascent route, then turn left.
Descend via the reverse route of the ascent to return to the starting point (S/E).

Waypoints

  1. S/E : mi 0 - alt. 5,814 ft - Car park - Refuge de la Thuile
  2. 1 : mi 0.19 - alt. 5,935 ft - Junction – A: right / R: left
  3. 2 : mi 1.3 - alt. 7,385 ft - Ridge
  4. 3 : mi 1.47 - alt. 7,431 ft - Alternative start point
  5. 4 : mi 2.43 - alt. 7,635 ft - Base of the ridge
  6. S/E : mi 4.73 - alt. 5,814 ft - Car park.

Notes

Car park below the refuge.
Toilets near the car park.
Bring a windbreaker for the ridge walk, as it can be very windy.
Walking poles recommended.

Snowfields on 15 June 2020.

Marked with yellow markings up to (2), with a few cairns on the ridge.

Worth a visit

Sheep’s milk cheese on sale at the sheepfold.

Reviews and comments

4.5 / 5
Based on 2 reviews

Reliability of the description
4.5 / 5
Ease of following the route
4.5 / 5
Route interest
4.5 / 5
Wang
Wang

Overall rating : 5 / 5

Date of your route : Aug 21, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Stunning panoramic views of the Bauges, Belledonne and La Lauzière throughout the walk. The summit of the Grand Arc is well worth a look, but the climb up is quite a vertiginous one.

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Rogerla
Rogerla

Overall rating : 4 / 5

Date of your route : Oct 17, 2022
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

A lovely hike. We didn’t follow the suggested route exactly, except for the climb up to the Grand Arc. The base map with the GPS track doesn’t reach the summit, and it’s not clear whether the author climbed directly up the ridge or took an easier path. We took the ridge where there was very clear yellow waymarking. Furthermore, for a difficult section, a cable in excellent condition helped us make our way and made it safer. For the return leg of the circular route, we went via the Petit Arc, but there were no signs there to indicate the way forward and we struggled through the thick undergrowth. See more details on my blog.

https://retraite-savoyarde.over-blog.com...

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