Col du Soulor (elevation ) is a mountain pass in the Pyrenees in France, linking Argelès-Gazost with Arthez-d'Asson. It connects the Ouzom and Arens valleys. A road leaves the pass to the west to reach the higher Col d'Aubisque.
The road over the col is regularly used in the Tour de France cycling race, normally in conjunction with the Col d'Aubisque.
Details of the climbs Starting from Argelès-Gazost (east), the Soulor is . It rises , an average gradient of 5.2%. It gets tough after Arrens-Marsous with stretches at 10% or steeper.
The col can also be reached from the north, via the D126. Starting from Arthez-d'Asson, the ascent is long. Over this distance, the climb gains , at an average of 4.9%. The real climbing, however, comes at Ferrières, after which the gradient increases to 9%. This was the direction used in the 2010 Tour de France.
Tour de France The Col du Soulor was first used in the 1910 Tour de France and was most recently featured in the 12th stage of the 2025 Tour de France, as a category 1 climb.
The Col du Soulor is also crossed during the passage over the Col d'Aubisque. When this route is used, for example in stage 16 of the 2012 Tour de France, it is often not a categorized climb, since the amount of re-ascent from the west is relatively small. It has, however, been a categorized climb on 14 occasions, including in 1982 as a hors catégorie climb.
Passages in the Tour de France (since 1947) The categorized crossings of the Col du Soulor since 1947 were as follows: YearStageCategory StartFinish Leader at the summit 202512 1 Auch Hautacam 201914 1 Tarbes Col du Tourmalet 201017 1 Pau Col du Tourmalet 200010 2 Dax Hautacam1999161 Lannemezan Pau 199791 Pau Loudenvielle 1996171 Argelès-Gazost Pamplona199516 1 Tarbes Pau Stage neutralised198518b 4 Laruns Pau 198518a 1 Luz-Saint-Sauveur Col d'Aubisque 198212HC Fleurance Pau 1979 3 1 Bagnères-de-Luchon Pau 1975101 Auch Pau 1974181 Bagnères-de-Bigorre Pau 1973141 Bagnères-de-Luchon Pau
See also Souvenir Henri Desgrange
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