Periasc - Arp Refuge
Champoluc /Ayas /Antagnod
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Inter-valley 105
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Departure:Periasc (Ayas) (1.508 m)
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Arrival:Arp Refuge (Brusson) (2.439 m)
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Ascent:4h20
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Duration coming back:3h20
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Trail sign:15 e 105