Col Collon - Col de Crêtes Séche

EEExperienced hikersummer · autumn

Distance

23.9 km

Ascent

+0 m

Descent

−1647 m

Duration

8.5 h

Fitness level

Elevation profile

Col Collon · 3071 mCol de Crêtes Séche · 2895 m

Map & route

Download GPX

GPX track — verify on the ground before hiking

Description

Col Collon - Col de Crêtes Séche is an official trail from the Aosta Valley trail registry (code TDB_S1). The route lies in the municipality of Bionaz, in the Valpelline. From Col Collon (3071 m) to Col de Crêtes Séche (2895 m): 23.9 km with +0 m and −1647 m of elevation change, difficulty EE (CAI scale). Minimum elevation 2895 m, maximum 3071 m. Recommended season per registry: Luglio-settembre (months 7, 8, 9). GPX track and elevation data from Regione Autonoma Valle d'Aosta (open data DGR 899/2014).

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Start & end

Start

Col Collon

3071 m

Finish

Col de Crêtes Séche

2895 m

ACurated and verified by Andrea

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

Last verified: June 1, 2026