Rocks and surroundings of Lac de Pierre Percée

A lovely, easy circular walk that takes you successively to the Roches de la Xaveure, the rugged shores of Lac de Pierre Percée and the Roche des Corbeaux with its beautiful viewpoint. The return journey follows part of the same route to Les Roches Bataillons, ending at the starting point at Les Trois Sapins.

Details

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  • Walking
    Activity: Walking
  • ↔
    Distance: 10.14 mi
  • ◔
    Average duration: 5h 30 
  • ▲
    Difficulty: Moderate

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 955 ft
  • ↘
    Descent: - 951 ft

  • ▲
    Highest point: 1,575 ft
  • ▼
    Lowest point: 1,132 ft

Photos

Description of the walk

Park at the car park at Les Trois Sapins, on the D182.

Blue Cross signposting

(S/E) Set off towards the Roches de la Xaveure. Pass the junction with a forest track and, after 100 m, take the path opposite marked ‘La Xaveure’. Continue to the next junction.

Red Ring markings

(1) Take the path on the right signposted “Roches de la Xaveure”. Follow this narrow path down to the foot of the rocky barrier (a series of enormous boulders). At the end of the rocky barrier, the path winds downwards to join the wide forest track below.

Green Disc signposting

(2) Continue to the right along the forest track that runs alongside the lake until you reach the hamlet of La Grande Combe.

(3) Turn left onto a signposted path towards Basse Nangoutte. This will take you to the hamlet.

(4) Take the path on the left, which winds sharply, and continue over the wooden bridge towards Pré Barbier. The path crosses the forest track leading to the Cabanes du Lac de Pierre Percée (on the left, private property). Continue straight ahead for 100 m and turn left towards Pré Barbier.

(5) The path runs alongside the wooden fence of the private area, then continues along the edge of the lake to reach the viewpoint at the far end of the cove. Carry on to reach the Belvédère above the lake (a good spot for a break).

(6) Carry on along the lake on your left until you reach the hamlet of Pré Barbier (a good place to stop).

(7) Carry on along the lake towards the Roche des Corbeaux.

(8) Carry on along the lakeside path until you reach a Fork in the road.

No signposting (option 2).

(9) Two options here (which can be combined to make a circular loop rather than a return journey):
1) Take the path on the left (marked with a Green Disc) and follow the lakeshore to La Roche des Corbeaux (longer route).
2) As shown on the map, take the path on the right. You’ll soon come out onto a stony track; follow it to the left for about 1 km.

(10) Continue along the path on the left, ignoring those on the right, until you reach the amusement park car park.

(11) Take the path to the left of the amusement park towards the Roche des Corbeaux. Then take the signposted path on the right. Pass a wooden shelter on the left to reach the Roche des Corbeaux viewpoint.

(12) Retrace your steps to return to the original junction. N.B. You can join the signposted ‘Green Disc’ trail to the north and follow it to the left, along the lake, to return to the same junction.

(8) Take the path on the left. Reach the forest track and follow it for about a hundred metres. Then turn right onto the path (marked with yellow MTB signs) until you reach a junction (13).

Alternative route from WP 13: (The section between (14) and (15) – ‘Les Roches Bataillons’ – is poorly maintained; I suggest the following alternative).

From (13), take a short path to (5), then continue towards (4) and then (3). Head back up to the starting point, “Les Trois Sapins”, via the stony forest track on your left or the path through the woodland running parallel to it directly opposite.An easier return route: the circular route is shortened by about 2 km and the tarmac section between (15) and (16) has been omitted.

Marked with Blue Saltire signposts (original circular loop).

(13) Turn left towards the Route de la Ceinture Verte. Cross it carefully and continue straight ahead along the downhill forest track until you reach a fork.

Yellow Ring markings

(14) Turn right at the fork and continue along the little-used path. Pass the Roches Bataillons (poorly maintained section), which stretch out to the right in several places, and reach the D182 road.

No markings

(15) Cross the road carefully, turn right, and follow the D182 for about 200 metres. Reach and enter the large car park on the left to join a path on the right.

Blue Cross signposting

(16) Continue along this forest track and cross the D182 with care to reach the ‘Les trois Sapins’ car park opposite (S/E).

Waypoints

  1. S/E : mi 0 - alt. 1,467 ft - Les Trois Sapins car park
  2. 1 : mi 0.48 - alt. 1,470 ft - Fork in the road
  3. 2 : mi 1.11 - alt. 1,362 ft - Junction with forest track
  4. 3 : mi 2.34 - alt. 1,371 ft - La Grande Combe
  5. 4 : mi 2.85 - alt. 1,270 ft - Basse Nangoutte
  6. 5 : mi 3.19 - alt. 1,342 ft - Junction
  7. 6 : mi 3.91 - alt. 1,270 ft - Viewpoint on the - Lac de Pierre-Percée
  8. 7 : mi 4.11 - alt. 1,273 ft - Pré Barbier
  9. 8 : mi 4.29 - alt. 1,270 ft - Crossroads – Access to La Roche des Corbeaux
  10. 9 : mi 4.67 - alt. 1,296 ft - Fork in the road
  11. 10 : mi 5.3 - alt. 1,355 ft - Junction
  12. 11 : mi 5.56 - alt. 1,388 ft - Amusement park car park
  13. 12 : mi 5.69 - alt. 1,414 ft - Roche des Corbeaux
  14. 13 : mi 8.01 - alt. 1,332 ft - Junction
  15. 14 : mi 8.52 - alt. 1,132 ft - Junction
  16. 15 : mi 9.42 - alt. 1,273 ft - D182 road
  17. 16 : mi 9.59 - alt. 1,332 ft - Start of the trail
  18. S/E : mi 10.14 - alt. 1,467 ft - Les Trois Sapins car park

Notes

Numerous picnic spots (S/E), (6), (7), (12) and (16).

Shelter (12)

Some areas have no signposting or mountain bike signposting (frequented trails), particularly between (9) and (11) and (8) towards (13) on the return journey.

If necessary, use the free GPX track on the very useful Visorando app.

Worth a visit

The Pierre Percée huts near (5).

The Pierre Percée amusement park at La Roche des Corbeaux (12).

Reviews and comments

4.3 / 5
Based on 4 reviews

Reliability of the description
4.3 / 5
Ease of following the route
4 / 5
Route interest
4.5 / 5
Ziggy wally
Ziggy wally

Overall rating : 4 / 5

Date of your route : Jul 23, 2026
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★★ Very good
Very busy route : No

Not always clearly signposted

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User 28783571

Overall rating : 4.7 / 5

Date of your route : May 13, 2026
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

Hello
This walk around Lake Pierre Percée is part of the Grand Est region’s IRON LAKE CHALLENGE
A lovely walk, with plenty of paths; it’s possible to shorten the route slightly
I highly recommend it

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User 27222452

Overall rating : 3.7 / 5

Date of your route : Aug 18, 2025
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★★★ Very good
Route interest : ★★★☆☆ Average
Very busy route : No

Very good route but the description is inaccurate. The hike is 23 km long, not 16 as stated. In addition, work was being carried out on the route, making it impassable as no path was visible due to the leaves and trees.
The path was also poorly maintained

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franchie
franchie

Overall rating : 4.7 / 5

Date of your route : Jun 24, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : Yes

To avoid going back and forth, at point 9 I chose the path along the lake shore (green disc markings) to the Corbeaux rock (where I needed the app to find my way) then went back down to the car park and took the path on the right (marked with orange mountain bike signs no. 7), which you don't need to leave at point 9 and which takes you to point 13. At point 14, the trail marked with a yellow ring towards the Roches Bataillons is so little used that I missed it and retraced my steps (using the GPS again). There is a lot of grass where ticks are sure to be proliferating: long trousers are strongly recommended!!! A fallen tree partially blocks the path, and I had to climb over it with some difficulty.
In any case, it was a beautiful walk in the shade which, according to my smartphone, was 19 km long with the optional route...
Thanks to Visorandonneur!

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