Altigraphs
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The encyclopedia of cycling climbs

Gradient profiles, segment data and rider notes for every col worth riding — measured, mapped and verified by cyclists.

2,752 climbs documented
27 countries covered
138 contributors

Browse by mountain range

Start where the roads go up — the ranges with the most documented climbs.

See all ranges

The climbs everyone looks up

Pico del Veleta From Cenes de la Vega
42.1 km +2616 m 6.2%
El Teide From Los Cristianos
48.7 km +2281 m 4.7%
Llano de las Animas From Puerto de Puntagorda
15.9 km +1941 m 12.2%
Col du Galibier From Saint-Michel-de-Maurienne
34.7 km +1925 m 5.5%
Colle del Nivolet From Rosone
35.6 km +1921 m 5.4%
Nuevo Mundo From El Ejido
28.9 km +1919 m 6.6%

Pick a country, ride its mountains

Each country page collects its climbs and its highest paved roads.

See all 27 countries
Recent edits
1 this week
JA
Catalonia, Spain · 1 w ago
JA
Catalonia, Spain · 1 w ago
MA
Galicia, Spain · 1 w ago
JA
Catalonia, Spain · 1 w ago
Open encyclopedia

Every climb here was added by someone who rode it

Anyone can add a col, correct a gradient, or upload the photo that shows what the last kilometre really looks like. Every profile is open data, free to use, and credited to the riders who measured it.

138 riders contributing
Contributing takes a free account — nothing else is gated.