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Col de Bassachaux — 1,778 m

Col de Bassachaux, 1,778 m, in Haute-Savoie. Main climb: 10.1 km at 6.5% average, 659 m of climbing from Châtel.

At a glance

Distance
10.1 km
Elevation gain
659 m
Average gradient
6.5 %
Difficulty index
5.0 Moderate

Figures for the main climb (From Châtel). The other climbs are further down.

Location

Department
Haute-Savoie
Altitude
1,778 m
Coordinates
46.22252, 6.77222

Opening Fermé l'hiver. Ouverture en général courant juin selon le déneigement.

Map of the climbs

2 km© IGN – PLAN IGN v2 · © les contributeurs d’OpenStreetMap
2 km© IGN – PLAN IGN v2 · © les contributeurs d’OpenStreetMap

Cycling ascents

Derived climbs, with their figures
Main climb Distance Elevation gain Elevation loss Average gradient Steepest 500 m Difficulty index
From Châtel 10.1 km 659 m — 6.5 % 11.6 % 5.0 Moderate
From Monthey (Schweiz/Suisse/Svizzera/Svizra) 30.7 km 1,657 m 290 m 5.4 % 14.7 % 6.9 Sustained

Scroll the table sideways to see every column.

2 ascents proposed here — other ways up this col remain possible.

Distances and elevation gains derived from the OpenStreetMap road network and a digital terrain model, measured on the very profile shown here.

Figures computed on 7 September 2026.

Chains with

Cols one of the climbs above actually rides over — not merely neighbours as the crow flies.

Cols nearby

Straight-line distances, not road distances. The cols a climb actually rides over are listed above.

Frequently asked questions

How long is the climb to Col de Bassachaux?

The hardest climb of Col de Bassachaux, from Châtel, is 10.1 km long for 659 m of ascent, i.e. 6.5% average.

What is the steepest part of Col de Bassachaux?

The steepest 500 m sits at 11.6%, and the hardest kilometre is the 6th, at 10.2%.

Is Col de Bassachaux open all year round?

Fermé l'hiver. Ouverture en général courant juin selon le déneigement.

Col de Bassachaux: add this col to your collection

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