The Balcon du Gélas via Lac Long

The Balcon du Gélas, which rises to over 3,000 metres, is a minor peak in the Haute Vésubie, situated close to its larger counterparts, the iconic Gélas peaks.

The ascent, however, offers superb views of the highest peaks of the Gordolasque, Lac Long, as well as the Argentera and even the Viso on the Italian side.

This hike, starting from Pont du Countet, takes you up the Gordolasque valley to Lac de la Fous, then leads you to the peaceful Lac Long before a climb to the Terrasse du Gélas—the only tricky section—and an easy final ascent to reward you with this beautiful summit, at the foot of the highest peak in the Mercantour massif.

Details

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  • Walking
    Activity: Walking
  • ↔
    Distance: 14.01 km
  • ◔
    Duration according to the author: 8 hrs 
  • ▲
    Difficulty: Very difficult

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 1,392 m
  • ↘
    Descent: - 1,383 m

  • ▲
    Highest point: 3,066 m
  • ▼
    Lowest point: 1,685 m

Photos

Description of the walk

Parking at the Pont du Countet car park.

(S/E) From Pont du Countet, follow the path that climbs up the right bank of the Ruisseau de la Gordolasque, heading towards the Refuge de Nice.
Pass the "Belle et Sébastien" hut and you will soon reach a footbridge at the foot of the Cascade de l'Estrech.

(1) Cross the stream, and at marker 413, head up to the left towards the Refuge de Nice.
You are now entering what is known as the Mur des Italiens. The winding ascent is not difficult, but it is a somewhat steep section where you may already encounter chamois or ibex. Once past this wall, head back down towards the stream to a fording point (the footbridge that used to allow crossing was swept away by Storm Alex).

(2) Cross the stream again and continue the ascent on the other side. After a short climb, the path descends slightly towards the torrent at a wetland area, which you go round to the left. Continue to a junction with the GR®52 at marker 416, a few dozen metres from the Barrage de la Fous.

(3) Follow the GR® to the right and climb above the dam to discover Lac de la Fous, with the Refuge de Nice overlooking it on the other side.
Once past the first viewpoint, look out for a cairn on the left marking the start of the path towards Lac Long.

(4) Follow this unmarked path on the left which climbs above the GR®. As you reach steeper slopes, the path veers off and the trail becomes less distinct. Keep a close eye out for the cairns indicating the way forward. After passing at the foot of a rock face, the route turns right for a final, gentler stretch leading to a promontory above Lac Long.

(5) Descend to the left and go round an area of large boulders to find a well-marked path that climbs steeply for a few metres. Then cross a scree slope on the western shore of the lake. At the ledge above the lake, the path turns left and reaches the foot of a very steep gully.

(6) Climb this gully carefully, taking care not to slip or dislodge stones onto people below. After this tricky section, follow the cairns heading north-north-east. You may lose the trail at times; the app may be helpful.

The final few metres of the climb to the Terrasse du Gélas (which is actually situated at the foot of the Gélas and not on the eastern slope of the Roche Risso as indicated on the IGN map) are also very steep, and you may need to use your hands. Once you reach the top of this small pass, which faces almost directly towards the Gélas ascent couloir, enjoy the magnificent view down over Lac Long behind you.

(7) Follow the cairns to the right, which climb along the western ridge to reach the Balcon du Gélas without difficulty.

(8) Enjoy this magnificent 360° view, with a particularly dramatic drop-off on the Italian side.
The return journey follows the same route in the opposite direction, taking great care on the descent between the Terrasse du Gélas and Lac Long, to return to the starting point at the Countet car park (S/E).

Waypoints

  1. S/E : km 0 - alt. 1,685 m - Pont du Countet
  2. 1 : km 1.33 - alt. 1,788 m - Marker 413 - Gordolasque
  3. 2 : km 2.35 - alt. 2,008 m - Fording - Gordolasque
  4. 3 : km 3.52 - alt. 2,155 m - Marker 416 - GR®52
  5. 4 : km 3.91 - alt. 2,202 m - Leave the GR – cairn on the left - Lac de la Fous
  6. 5 : km 5.23 - alt. 2,577 m - Lac Long (Mercantour)
  7. 6 : km 5.91 - alt. 2,643 m - Steep couloir
  8. 7 : km 6.56 - alt. 2,939 m - Terrasse du Gélas
  9. 8 : km 7 - alt. 3,066 m - Balcon du Gélas
  10. S/E : km 14.01 - alt. 1,685 m - Pont du Countet

Notes

There is no water or shelter along the route (apart from the Refuge de Nice, about ten minutes from the (4)).

Be aware of weather conditions, which can change very quickly. A descent in the rain could prove very tricky.

Part of the hike is off-trail, particularly from Lac Long (5) onwards, where only a few cairns will show you the way.

Some sections after Lac Long (6) on the way up to the Terrasse du Gélas (7) are very steep and can be slippery (loose stones). Please take great care.

For these reasons, this hike is reserved for experienced mountain walkers.

Worth a visit

High chance of encountering chamois and ibex.
The atmosphere is very peaceful once you leave the GR® trail after Lac de la Fous.

Always be cautious and plan ahead when you're outdoors. Visorando and the author of this route cannot be held responsible for any accidents occurring on this route.

The GR® and PR® markings are the intellectual property of the Fédération Française de Randonnée Pédestre.

Reviews and comments

4.6 / 5
Based on 4 reviews

Reliability of the description
4.8 / 5
Ease of following the route
4.3 / 5
Route interest
4.8 / 5
cmylene
cmylene

Overall rating : 5 / 5

Date of your route : Aug 30, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes

Very challenging hike with a section of the corridor requiring caution

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Remi_22
Remi_22

Overall rating : 4.7 / 5

Date of your route : Aug 13, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

This is a magnificent hiking trail, which also allows you to reach the summit of Gélas at 3,143 metres. I was lucky enough to do it via the Balcons de Gélas, which I've done three times. You can also go through the Gélas couloir. The route is very well marked by cairns. It's a bit dangerous to go from the Balcons de Gélas to the summit without any previous climbing experience. The Balcons de Gélas themselves are well worth the detour. A magnificent circuit!

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User 22257016

Overall rating : 3.7 / 5

Date of your route : Aug 09, 2025
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★☆ Good
Very busy route : No

A loop:
starting from Le Countet, Lac Long and Balcon du Gelas... I didn't take the right route, I climbed up the first chimney which took me to Roche Risso, it was tense and "hanging"... A beautiful climb!
The return from the Balcon was via the Madone valley, passing by the Cabret and Balaour lakes to rejoin the GR 52 and return to the Fous valley via the Pas du Mont Colomb.
A real treat despite the heat.

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sebdonato
sebdonato

Overall rating : 5 / 5

Date of your route : Aug 15, 2023
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

A brilliant hike, a real slog. The descent went on forever – my feet can still feel it!

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