Altigraphs
1 Maritime Alps, France

Col de Castillon

South-eastern ascent from Menton
Length
14.9 km
Height gain
701 m
Average
4.7%
Steepest km
6.2%
Summit altitude
706 m
Difficulty
108
2 ways up · this is the hardest Compare all 2

Elevation profile

5 m → 706 m Touch or hover to inspect
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest km: km 7 at 6.2%

Climb analysis

Where the climbing is

0–4%
3.9 km
4–6%
7.3 km
6–8%
3.8 km
8–10%
0.0 km
10–14%
0.0 km
14%+
0.0 km

Hardest sustained

1 km · km 6.2–7.2
6.6%
2 km · km 6.2–8.2
6.2%
5 km · km 5.8–10.8
5.7%

Time to the top

0h 53 at 3 W/kg · 70 kg rider + 8 kg bike, no wind

Kilometre by kilometre

Export CSV
Km Altitude Gradient 0–15%
1 22 m 1.7%
2 42 m 2.1%
3 76 m 3.4%
4 137 m 6.1%
5 187 m 5.0%
6 214 m 2.7%
7 276 m 6.2%
8 336 m 6.0%
9 391 m 5.5%
10 443 m 5.2%

Route map

Two fingers to pan
Road surface not mapped yet Report a road type
No tunnels mapped Map a tunnel

At the summit now

Updated Just now
13° Partly cloudy Feels like 13° · 706 m
Headwind on 63% of the climb · Wind 5 km/h NW
Tailwind 14% Crosswind 23% Headwind 63%

How hard is 108?

Difficulty score is length × gradient, weighted for the steepest kilometre.

Help complete this climb

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Added by Thutmose · 1 contributor

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