This walk is part of the trek Trek around Monte Viso in 5 days.
High mountain stage.
Progress within a mineral setting.
A hike up to the highest pass of the trek.
Stunning view over the Pô water sources from "Sentier du Postier."
Calculated time: 7h40[?] 
Distance : 13.66km
Vertical gain : 1326m
Vertical drop : 1153m
Highest point : 2945m
Lowest point : 2307m (D) Leaving "Refuge du Viso", take the trail you arrived on the day before over about a kilometre.
(1) Turn right heading towards Col de la Traversette.
The pasture soon gives way to rocks, the trail continues through scree. When you get to a trail crossing, head right under a rocky ledge. A few hundred metre before the pass you'll come across the tunnel entrance. The entrance is blocked by neve until the beginning of July (2).
There's a slight aerial passage after the pass. After a good kilometre hike down, take the Sentier du Postier on the right (3).
Next, head up to Refuge Giacoletti (4).
Then, head off to the left and follow the trail leading to a mineral setting at Refuge Sella Quintino, end of today's stage.
Waypoints :
D : km 0 - alt. 2454m - Refuge du Viso
1 : km 1.01 - alt. 2466m
2 : km 3.21 - alt. 2936m - Col de la Traversette "Pas dans le vide"
3 : km 4.67 - alt. 2606m
4 : km 6.17 - alt. 2741m
A : km 13.66 - alt. 2627m
Over a good kilometre, Sentier du Postier heads over an aerial passage spotted with sloping neves at the beginning of the season. To avoid this, when descending keep going towards Plan Del Ré. From there, walk towards Pô water source (la source du Pô) and head up to Lac Morenza. Go along the left-hand side reaching Tour du Viso trail after a kilometre or so and leading to Refuge Sella Quintino. This route takes 45 minutes longer.
Passing through Tunnel de la Traversette is possible during the summer if equipped with a headlamp.
Visorando and this author cannot be held responsible in the case of accidents or problems occuring on this walk.
Tunnel de la Traversette.
The first tunnel to have been dug beneath the Alps. Completed in 1480. It's 75 metres long.
2900 m high on one side, 2915 m on the other, it allows you to avoid the pass route (2947 m) which is quite difficult.
It was designed to let a mule and a hunched man go through.
16.02km
+1713m
-1455m
9h30
Very difficult 
Starting point in Bobbio Pellice - Province de Torino Quite a long high mountain stage today, set in a mineral landscape passing through "les sources du Pô" and near beautiful mountain lakes. Exploring the north-east side of Monte Viso (3841m) will be the highlight.
15.01km
+425m
-1137m
5h30
Average
Starting point in Pontechianale - Province de Cuneo Beautiful stage, green at first, covered by neve at the pass then very floral in Guil Valley.
15.01km
+435m
-1179m
5h30
Difficult
Starting point in Pontechianale - Province de Cuneo This stage involves a pass with neves and crossing Refuge du Viso high berm then Guil valley.
13.72km
+835m
-1035m
6h20
Difficult
Starting point in Oncino - Province de Cuneo This stage gives you a frontline view over Monte Viso on one side and Pô prairie (plaine du Pô) on the other. Then a climb through Vallanta's small green valley.
12.57km
+762m
-969m
5h45
Difficult
Starting point in Oncino - Province de Cuneo Italian stage through wild upper valleys and rocky wasteland, scattered by beautiful mountain lakes, consistantlyaround Monte Viso.
59.78km
+4351m
-4342m
5 days
Difficult
Starting point in Ristolas - 05 - Hautes-Alpes Trek around Monte Viso in 5 stages.
A beautiful high mountain hike.
Hike over a 5 day period.
An exquisite high mountain trek.
6.57km
+627m
-589m
3h40
Difficult
Starting point in Ristolas - 05 - Hautes-Alpes This first stage is a warm-up for the rest. It's a medium mountain trek starting through larch trees before reaching alpine pastures surrounding the pass. A beautiful view over Pellice valley during the hike down.
55.15km
+4168m
-4211m
4 days
Difficult
Starting point in Ristolas - 05 - Hautes-Alpes A 4 day trek on a high mountain route. The trek around Monte Viso (one of the highest summits in the Italian alps) is a sight for sore eyes. Crossing through some of the most authentic and wild high valleys of the Alps is delightful. This trek is almost identical to another trek by another hikiideas hiker which is done over 5 days. A big thank you to him and his description which inspired me.
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The GPS track and description are the property of the author.
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Arrival : N 44.665557° / E 7.109815°