Sleipnir

Loire: cycling cols

12 cols, each with the distance, ascent and gradient of every climb, derived from the OpenStreetMap road network.

Where they are

Hardest first

Climbs ranked from hardest to easiest
Col Altitude Main climb Distance Gain Loss Gradient Difficulty Climbs
Croix de Chaubouret 1,201 m Depuis La Valla-en-Gier 10.6 km 710 m — 6.7 % 5.0 Moderate 4
Col de la Loge 1,253 m Depuis Aubusson-d'Auvergne 20.8 km 926 m 94 m 4.4 % 3.6 Moderate 3
Croix-de-Montvieux 811 m Depuis Chavanay 13.4 km 694 m 29 m 5.2 % 3.3 Moderate 3
Col des Sapeaux 1,165 m Depuis L'Hôpital-sous-Rochefort (Solore-en-Forez) 17.8 km 772 m 32 m 4.3 % 3.2 Moderate 3
Col de Pavezin 652 m Depuis Vérin 9.0 km 506 m — 5.6 % 2.8 Moderate 5
Col de la Croix Cazard 865 m Depuis Joux 8.0 km 430 m — 5.4 % 2.3 Easy 3
Col de la Gachet 748 m Depuis Saint-Genis-Terrenoire (Genilac) 11.5 km 506 m 14 m 4.4 % 2.1 Easy 2
Col des Écorbans 853 m Depuis Poule-les-Écharmeaux 5.5 km 316 m — 5.7 % 1.8 Easy 3
Col du Pin-Bouchain 760 m Depuis Joux 4.7 km 269 m — 5.7 % 1.5 Easy 4
La-Croix-du-Mazet 660 m Depuis Sainte-Croix-en-Jarez 1.6 km 133 m — 8.2 % 1.1 Easy 4
Col du Tracol 1,030 m Depuis Saint-Sauveur-en-Rue 7.0 km 339 m 89 m 4.9 % 0.9 Easy 2
Col de la croix de Ladret 1,060 m Depuis Chalmazel (Chalmazel-Jeansagnière) 3.6 km 158 m 19 m 4.4 % 0.6 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.

Every col in the catalogue

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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