Minimum altitude: 2,103 m

Maximum altitude: 2,490 m

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Difficulty level: T3

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Ascent: 519m

Descent: 505m

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Approximate walking time: 2h45

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To get there:Motorway A9 to Sion-est. At the motorway exit (first roundabout), turn right. Continue  straight ahead and at the 2nd roundabout, take  the 2nd exit (Val d'Hérens, Vex). In the village of Vex, turn right, direction Les Collons and Thyon.

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Where to park:At the entrance to Thyon station, free parking is on your left. The other zones are indicated paying.  

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The route begins at the end of the upper car park. Walk along the buildings and at the end of them and turn left. You will take the road which makes a bend and thereafter stay on your left, otherwise you will be mistaken just like me and will take the route of the ski slope which is steep. You will therefore follow the Crêtes de Thyon to pass  by the Tsermetta and arrive at the first highest point. You will then descend a little to begin the ascent of Mont Carré. Note that those who are unsure of foot can go around this summit and join the junction with the path that descends from it. The rest of the route is along  of the trail called ridges overlooking the Long and Rion gouilles. From Mont Rouge, you have the option of continuing  on this path and reach Mont Loéré, or even further on Crepon Blanc.

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I cannot comment on the difficulty of the path leading to Mont Loéré and Crepon Blanc, but as regards the section between Monts Carré and Monts Rouge, it is better to have a sure step. Indeed, the path runs along the ridge and it is better to be careful and even more so if you pass by the top of the Carré!