Lac d'Arpy - Lac de Pierre Rouge - Mont Cormet

EHikersummer

Distance

4.5 km

Ascent

+951 m

Descent

−0 m

Duration

3.5 h

Fitness level

Elevation profile

Lac d'Arpy · 2071 mMont Cormet · 3024 m

Map & route

Download GPX

GPX track — verify on the ground before hiking

Description

Lac d'Arpy - Lac de Pierre Rouge - Mont Cormet is an official trail from the Aosta Valley trail registry (code 44_S25). The route lies in the municipality of Nus, in the Central Valley. From Lac d'Arpy (2071 m) to Mont Cormet (3024 m): 4.5 km with +951 m of elevation change, difficulty E (CAI scale). Minimum elevation 2071 m, maximum 3024 m. Recommended season per registry: Luglio-agosto (months 7, 8). GPX track and elevation data from Regione Autonoma Valle d'Aosta (open data DGR 899/2014).

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Start & end

Start

Lac d'Arpy

2071 m

Finish

Mont Cormet

3024 m

ACurated and verified by Andrea

Data source: Catasto Sentieri Regione Autonoma VdA · Open data — DGR 899/2014

Last verified: June 1, 2026