Lac des Confins and Plan Lachat

At the foot of the slender peaks of the Aravis, a family hike partly through mountain pastures and partly through forest. Two lakes, one natural and one artificial, await you.

Details

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  • Walking
    Activity: Walking
  • ↔
    Distance: 6.34 km
  • ◔
    Average duration: 2h 20 
  • ▲
    Difficulty: Easy

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 189 m
  • ↘
    Descent: - 186 m

  • ▲
    Highest point: 1,443 m
  • ▼
    Lowest point: 1,277 m

Photos

Description of the walk

Departure from Les Chenons. Park in the car park for the Balme and Fernuy cable cars at the end of Route des Chenons.

Directional signs at major intersections.

(S/E) Head west and return to the road leading to the car park (Route des Chenons). At the junction with Route des Confins (end of the 30 km/h zone), turn right onto a grassy path (not shown on the map) that climbs towards Les Confins. The path quickly becomes stony and shaded.

(1) You will come to a small road; follow it to the right. At the crossroads, take thesecond right, a stony path still heading towards Les Confins. Pass a chalet on your right and climb gently to an intersection (signposted "Crêt Braffaz").

(2) Continue straight ahead towards Les Confins and walk along a wide path through a sparse forest. At the next junction, follow a track on the right towards Lac des Confins. Pass a restaurant on your left and you will come to a zip line departure point.

(3) Then turn sharply left towards the lake (path not shown on the map). At the intersection that quickly appears, go straight ahead to go around the lake clockwise (the opposite direction is obviously possible). Stay on the path closest to the lake. Pass the zip line arrival point. Further on, cross a stream (potentially dry in summer) on a footbridge without railings, then on a small mountain bike crossing. At the fork that appears immediately, take the path on the left. Join a track and follow it to the right until you reach the zip line departure point.

(3) Continue straight ahead on the track. At the intersection you took on the way there, turn left towards Crêt Baffraz and reach the signpost bearing this name.

(2) Then turn sharply left towards Plan Lachat. Two parallel paths appear: take the one on the left (the one on the right is reserved for mountain bikes). Enjoy a pleasant walk along the contour line. The two paths meet at a cattle grid, which you must cross. Then pass under a ski lift line and ignore a path on the right leading to an alpine chalet. Climb up a wide path, pass under the Balme cable car line and come out onto a large grassy plateau.

(4) Leave the path, pass a marker post on your right and follow a track that crosses the mountain pasture towards the clearly visible railings of the Lachat reservoir. You will come out onto a track; follow it to the left until you reach the reservoir.

(5) At the fork near the water source, take the path on the right towards Combe du Voret. Walk along the reservoir on your right and, after about a third of the way around (signpost), turn left onto a steep path. When this path turns left, follow the MTB signs no. 14 and no. 21 to the right and descend on a path that winds through the forest.

(6) When the mountain bike trail turns sharply to the right, leave it and continue straight ahead, still descending, on a trail that is not very marked at first. Pass under the Fernuy cable car line and turn right; the trail gives way to a path. Pass under the cable car line again and continue straight ahead until you reach a wide track (the IGN map is approximate here).

(7) Follow the track to the left downhill and pass under the cable car line again. Pass a metal barrier (signposted "Sous le Bois du Merdassier"), turn sharply right towards Les Chenons and continue downhill. Pass under the Fernuy cable car line one last time, then under the Balme cable car line. Go around the lower station of this cable car on the right and return to the car park at Les Chenons (S/E).

Waypoints

  1. S/E : km 0 - alt. 1,287 m - Les Chenons - Car park - Télécabine de la Balme
  2. 1 : km 0.56 - alt. 1,333 m - Small road
  3. 2 : km 0.99 - alt. 1,366 m - "Crêt Baffraz" signpost
  4. 3 : km 1.45 - alt. 1,369 m - Crossroads of the circular - Lac des Confins
  5. 4 : km 3.78 - alt. 1,397 m - Plan Lachat
  6. 5 : km 4.02 - alt. 1,420 m - Retenue du Lachat
  7. 6 : km 4.66 - alt. 1,413 m - Intersection
  8. 7 : km 5.02 - alt. 1,377 m - Track junction
  9. S/E : km 6.34 - alt. 1,287 m - Les Chenons - Car park - Télécabine de la Balme

Notes

Be sure to wear sturdy walking shoes.

Water source at the Retenue du Lachat. Picnic tables around the Lac des Confins and the Retenue du Lachat.

Detailed map useful (at least the one accompanying this description).

Variations:
Avoid Lac des Confins (very busy in summer) - At the "Crêt Baffraz" signpost (2), turn right towards Plan Lacha. Then follow the main route from the second reference point (2).
Return entirely via an alpine track - At the Retenue du Lachat (5), descend the track towards Les Chenons. After a left turn, rejoin the main route at (7).

Hike completed by the author on 2 August 2021.

Worth a visit

Reviews and comments

4.5 / 5
Based on 19 reviews

Reliability of the description
4.5 / 5
Ease of following the route
4.6 / 5
Route interest
4.4 / 5
User 13979706

Overall rating : 5 / 5

Date of your route : Sep 21, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes

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User 17725706

Overall rating : 5 / 5

Date of your route : Jul 06, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes

Nice warm-up, first part of the route busy, the rest less so 😊

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User 26379137
• Edited:

Overall rating : 4.7 / 5

Date of your route : Jul 23, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : Yes

Please note: part of the route (the circular after the lake) is not accessible to dogs, by municipal decree...

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Eterle
Eterle

Overall rating : 4.3 / 5

Date of your route : Jul 28, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★☆☆ Average
Very busy route : Yes

easy hike. A little disappointed by the lake, nothing exceptional, and far too crowded for our liking.

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User 17209322

Overall rating : 4.7 / 5

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

A very beautiful walk, even if the Lachat reservoir is nothing special.

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GUILLOUXJM
GUILLOUXJM
• Edited:

Overall rating : 3 / 5

Date of your route : Jan 20, 2025
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★☆☆ Average
Route interest : Not used / Not applicable
Very busy route : No

An outing with no real interest except for a quiet walk to get back into shape.

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Sergei386
Sergei386

Overall rating : 4.3 / 5

Date of your route : Oct 14, 2024
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : Yes

Very beautiful hike

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kaolak1
kaolak1
• Edited:

Overall rating : 4.7 / 5

Date of your route : Sep 19, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

A rather pleasant walk. I didn't particularly like the downhill path.
Strangely enough, I preferred the reservoir to the lake.

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PAULLYNE
PAULLYNE

Overall rating : 5 / 5

Date of your route : Sep 14, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

A beautiful hike... on small, separate mountain bike trails, which was very enjoyable.
It was a shame for us because the weather wasn't great.

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Elsarah
Elsarah

Overall rating : 5 / 5

Date of your route : Sep 09, 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, fairly easy route with well-separated tracks for mountain bikes

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Bilardise
Bilardise

Overall rating : 3 / 5

Date of your route : Aug 20, 2024
Reliability of the description : ★★☆☆☆ Disappointing
Ease of following the route : ★★★★☆ Good
Route interest : ★★★☆☆ Average
Very busy route : Yes

Shortly after setting off, the trail is closed. We have to turn back without knowing where to go. We eventually find a path to rejoin the route. On the way back, it's a narrow path full of large tree roots and uninteresting because we can't see the scenery on the right (Mont Blanc) or the meadows and animals on the left.

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MaximeVTZ
MaximeVTZ

Overall rating : 4.7 / 5

Date of your route : Mar 17, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

Hike done in March with some areas still covered in snow. At one point, the route passes through the ski slopes of La Clusaz. A pleasant, very accessible walk at the foot of the Aravis mountains

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Sylvie5
Sylvie5
• Edited:

Overall rating : 4.3 / 5

Date of your route : Feb 15, 2024
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : Yes

We chose this hike because we were accompanied by someone who had difficulty walking. This hike was rated "easy". Thank you. We didn't complete the entire hike...

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cajoba
cajoba

Overall rating : 4.3 / 5

Date of your route : Aug 21, 2023
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

Nice hike

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Randofabtof
Randofabtof

Overall rating : 4 / 5

Date of your route : Aug 07, 2023
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★☆☆ Average
Very busy route : Yes

A pleasant, easy walk with beautiful views.
Nothing spectacular, but still enjoyable...

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