Sleipnir

Mont du Chat — 1,486 m

Mont du Chat, 1,486 m, in Savoie. Main climb: 13.5 km at 9.3% average, 1,256 m of climbing from Le Bourget-du-Lac.

At a glance

Distance
13.5 km
Elevation gain
1,256 m
Average gradient
9.3 %
Difficulty index
12.2 Very hard

Figures for the main climb (From Le Bourget-du-Lac). The other climbs are further down.

Location

Department
Savoie
Altitude
1,486 m
Coordinates
45.66095, 5.82159

Map of the climbs

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

Cycling ascents

Derived climbs, with their figures
Main climb Distance Elevation gain Average gradient Steepest 500 m Difficulty index
From Le Bourget-du-Lac 13.5 km 1,256 m 9.3 % 12.9 % 12.2 Very hard
From Meyrieux-Trouet 12.0 km 1,079 m 9.0 % 14.8 % 10.2 Hard

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.

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 Mont du Chat?

The hardest climb of Mont du Chat, from Le Bourget-du-Lac, is 13.5 km long for 1,256 m of ascent, i.e. 9.3% average.

What is the steepest part of Mont du Chat?

The steepest 500 m sits at 12.9%, and the hardest kilometre is the 4th, at 11.0%.

Mont du Chat: add this col to your collection

Sleipnir recognises the cols you cross from the GPS trace of your rides: the col ticks itself off the day you ride over it.

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