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Haut-Rhin: cycling cols

10 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
Col du Grand Ballon 1,343 m Depuis Wuenheim 17.5 km 1,054 m 13 m 6.0 % 6.5 Sustained 3
Col du Platzerwasel 1,183 m Depuis Sondernach 7.4 km 627 m — 8.5 % 5.5 Sustained 2
Col du Calvaire 1,144 m Depuis Lapoutroie 13.6 km 770 m — 5.7 % 4.4 Moderate 2
Col du Bonhomme 949 m Depuis Plainfaing 4.1 km 377 m — 9.1 % 3.4 Moderate 4
Col du Haag 1,233 m Depuis Buhl 24.8 km 961 m 76 m 3.9 % 3.4 Moderate 3
Col du Hundsruck 748 m Depuis Bitschwiller-lès-Thann 5.4 km 385 m — 7.1 % 2.7 Moderate 3
Col du Firstplan 722 m Depuis Soultzbach-les-Bains 5.2 km 359 m — 7.0 % 2.5 Easy 3
Col du Wettstein 880 m Depuis Stosswihr 8.1 km 448 m — 5.6 % 2.5 Easy 3
Col de Fouchy 608 m Depuis Rombach-le-Franc 4.6 km 301 m — 6.6 % 2.0 Easy 2
Col de Bussang 731 m Depuis Urbès 6.3 km 299 m — 4.8 % 1.4 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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