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Col de Castillon — 728 m

Col de Castillon, 728 m, in Alpes-Maritimes. Main climb: 12.9 km at 5.4% average, 690 m of climbing from Menton. The Tour de France has been over it 2 times since 1919.

At a glance

Distance
12.9 km
Elevation gain
690 m
Average gradient
5.4 %
Difficulty index
3.4 Moderate

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

Location

Department
Alpes-Maritimes
Altitude
728 m
Coordinates
43.83946, 7.46018

Map of the climbs

2 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 Elevation loss Average gradient Steepest 500 m Difficulty index
From Menton 12.9 km 690 m 30 m 5.4 % 11.4 % 3.4 Moderate
From Sospel 6.9 km 344 m — 5.0 % 7.9 % 1.7 Easy

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.

The Tour de France here

Crossings
2
Editions
2
On the route
from 1919 to 1935
Year Stage Cat. First over the top
1935 Stage 11 Nice → Cannes — Francesco Camusso
1919 Stage 9 —

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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 Castillon?

The hardest climb of Col de Castillon, from Menton, is 12.9 km long for 690 m of ascent, i.e. 5.4% average.

What is the steepest part of Col de Castillon?

The steepest 500 m sits at 11.4%, and the hardest kilometre is the 5th, at 7.6%.

How many times has the Tour de France been over Col de Castillon?

The Tour de France has crossed Col de Castillon 2 times, from 1919 to 1935.

Col de Castillon: add this col to your collection

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