Sleipnir

Col de Merdassier — 1,500 m

Col de Merdassier, 1,500 m, in Haute-Savoie. Main climb: 10.8 km at 5.8% average, 624 m of climbing from Manigod.

At a glance

Distance
10.8 km
Elevation gain
624 m
Average gradient
5.8 %
Difficulty index
3.8 Moderate

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

Location

Department
Haute-Savoie
Altitude
1,500 m
Coordinates
45.86277, 6.41686

Map of the climbs

1 km© IGN – PLAN IGN v2 · © les contributeurs d’OpenStreetMap
0,5 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 Manigod 10.8 km 624 m 31 m 5.8 % 11.5 % 3.8 Moderate

Scroll the table sideways to see every column.

1 ascent 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 Merdassier?

The hardest climb of Col de Merdassier, from Manigod, is 10.8 km long for 624 m of ascent, i.e. 5.8% average.

What is the steepest part of Col de Merdassier?

The steepest 500 m sits at 11.5%, and the hardest kilometre is the 4th, at 10.3%.

Col de Merdassier: 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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