Haute-Savoie: cycling cols
23 cols, each with the distance, ascent and gradient of every climb, derived from the OpenStreetMap road network.
Where they are
Hardest first
| Col | Altitude | Main climb | Distance | Gain | Loss | Gradient | Difficulty | Climbs |
|---|---|---|---|---|---|---|---|---|
| Col de Joux Plane | 1,691 m | Depuis Samoëns | 11.3 km | 993 m | — | 8.8 % | 9.4 Hard | 2 |
| Col de la Colombière | 1,613 m | Depuis Cluses | 19.1 km | 1,145 m | 15 m | 6.0 % | 7.3 Sustained | 3 |
| Col du Clergeon | 979 m | Depuis Ruffieux | 8.3 km | 730 m | — | 8.8 % | 6.4 Sustained | 2 |
| Col de la Croix Fry | 1,467 m | Depuis Thônes | 11.7 km | 824 m | — | 7.0 % | 6.2 Sustained | 1 |
| Col de Romme | 1,297 m | Depuis Nancy-sur-Cluses | 6.6 km | 597 m | — | 9.0 % | 5.7 Sustained | 2 |
| Col de la Forclaz | 1,147 m | Depuis Faverges (Faverges-Seythenex) | 8.5 km | 690 m | 30 m | 8.2 % | 5.3 Sustained | 2 |
| Col de l'Encrenaz | 1,433 m | Depuis Taninges | 13.2 km | 843 m | 44 m | 6.4 % | 5.3 Sustained | 2 |
| Col des Aravis | 1,487 m | Depuis Ugine | 24.7 km | 1,234 m | 164 m | 5.0 % | 5.1 Sustained | 2 |
| Col de Bassachaux | 1,778 m | Depuis Châtel | 10.1 km | 659 m | — | 6.5 % | 5.0 Moderate | 2 |
| Col du Corbier | 1,237 m | Depuis Le Biot | 7.5 km | 580 m | — | 7.7 % | 4.7 Moderate | 2 |
| Col de la Joux Verte | 1,760 m | Depuis Morzine | 13.9 km | 808 m | 75 m | 5.8 % | 4.6 Moderate | 2 |
| Col de Cou | 1,116 m | Depuis Fessy | 7.8 km | 577 m | — | 7.4 % | 4.4 Moderate | 2 |
| Col des Montets | 1,461 m | Depuis Martigny (Schweiz/Suisse/Svizzera/Svizra) | 25.7 km | 1,443 m | 467 m | 5.6 % | 4.2 Moderate | 2 |
| Col du Feu | 1,120 m | Depuis Orcier | 6.1 km | 489 m | — | 8.0 % | 4.0 Moderate | 2 |
| Col de Merdassier | 1,500 m | Depuis Manigod | 10.8 km | 624 m | 31 m | 5.8 % | 3.8 Moderate | 1 |
| Col de l'Épine | 947 m | Depuis Marlens (Val de Chaise) | 6.4 km | 476 m | — | 7.4 % | 3.5 Moderate | 1 |
| Col des Gets | 1,172 m | Depuis Taninges | 9.7 km | 544 m | 14 m | 5.6 % | 3.1 Moderate | 1 |
| Col des Fleuries | 930 m | Depuis Amancy | 8.2 km | 470 m | — | 5.7 % | 2.7 Moderate | 2 |
| Col de Saxel | 943 m | Depuis Bons-en-Chablais | 7.2 km | 396 m | — | 5.5 % | 2.1 Easy | 2 |
| Col de Jambaz | 1,027 m | Depuis Saint-Jeoire | 14.6 km | 552 m | 48 m | 3.8 % | 1.8 Easy | 1 |
| Col de Leschaux | 901 m | Depuis Sevrier | 11.6 km | 461 m | 11 m | 4.0 % | 1.7 Easy | 3 |
| Col de St Jean de Sixt | 956 m | Depuis Thônes | 6.7 km | 310 m | — | 4.7 % | 1.4 Easy | 1 |
| Col du Marais | 843 m | Depuis Marlens (Val de Chaise) | 12.6 km | 478 m | 98 m | 3.8 % | 1.1 Easy | 2 |
Scroll the table sideways to see every column.
Ranked by the FIETS index of the main climb — the same index each page prints, with its formula.
How this index is calculated
FIETS index: Δaltitude² / (10 × distance) + max(0, summit altitude − 1,000) / 1,000, lengths in metres. How this index works (article in French)
Neighbouring departments
The nearest published departments, measured as the crow flies between the cols themselves.
Collect the cols you ride
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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