“OU CRIEREL” hostel is in Lillianes in località Fey 22.
Lillianes is a small village of Valle del Lys (Lys Valley), which is the Valley starting from Pont-Saint-Martin to Gressoney la Trinité.
How to reach Lillianes:

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From the motorway (Autostrada A5) exit in Pont-Saint-Martin then take SS26 road and then SR44 road after 7 Km you find Lillianes.

By bus:
Bus route Pont-Saint-Martin – Gressoney-La-Trinité – Staffal