A Guide to Cycling the Col de la Crouzette

The Col de la Crouzette is a category 1 climb located in the Ariège region of the Pyrenees. From the town of Biert the climb is 8.4kms in length and gains 658m in elevation. The average gradient for the entire climb is 7.8%, however there are some very challenging sections closer to the summit including pitches of 19%. It was included in the 2008 edition of the Tour de France as part of the longer climb of the Col de Portel.

Col de Crouzette 09- pendiente sur- Ruta del último kilómetro.jpg

Anthospace, CC BY-SA 4.0 , via Wikimedia Commons

Col de la Crouzette Climb Statistics

Col de la Crouzette (via Biert)

Length: 8.2km / 5.2mi

Average gradient: 7.8%

Start point: 586m / 1,923ft

Elevation at top: 1,245m / 4,085ft

Category: Category One

Gradient profile for Col de la Crouzette from Biert

Nearest town: Biert

Facilities at top: No

When to ride: Year round

Road condition: Asphalt – Good

Nearest climb: Col de Portel

Number of approaches: 2

Through road at top: Yes


Cycling the Col de la Crouzette – Route from Saint Girons

Ride distance: 54km / 34mi

Elevation gain: 1,407m / 4,616ft

The cycling route we have mapped out below starts and finishes in the town of Saint Girons. The climb of the Col de la Crouzette is tackled from the southern approach viat the small village of Biert. It is possible however to route yourself in a clockwise direction instead and to ride the climb from the northern approach of Riverenet. If you do this be mindful of the descent from the top of the Col de la Crouzette to Biert as the road is extremely steep and narrow.

Top Right: Signs indicating the length and average gradient of the climbs are common in this region of the Ariege.

Bottom Right: Steep switchbacks lead to the summit of the Col de la Crouzette – ready yourself for steep gradients of 19%.

Col de la Crouzette 09- southern side- statistics of climb.jpg

Anthospace, CC BY-SA 4.0 , via Wikimedia Commons

Col de la Crouzette 09- southern side- pin after 6.7 kilometers of climb.jpg

Anthospace, CC BY-SA 4.0 , via Wikimedia Commons

Other cycling climbs to ride in the Ariège

There are several climbs in this area of the Ariege which you can choose to ride. We have listed some of these below. Click below to read about these climbs in more detail.

Col de Péguère

The climb to the summit of the Col de Péguère includes an incredibly steep section of 3kms where the gradients top out at 19%! Discover the climb here.

Col de Péguère 09- lato Caugnous- gli ultimi ettometri.jpg

Anthospace, CC BY-SA 4.0 , via Wikimedia Commons


Col d'Agnés.jpg

Col d’Agnes

The Col d’Agnes is a very scenic climb in the Ariège and has featured in the Tour de France on five occasions. From Massat the climb is 17.2km in length with an average gradient of 5.7%. Discover more about the climb here.


Planning a cycling holiday in the Pyrenees

If you are not familiar with the Pyrenees, our comprehensive guide will help you plan everything you need for your cycling holiday. The guide includes information such as:

  • a map of the Pyrenees with climbs and towns marked
  • where to base yourself depending on which mountains you would like to ride
  • cycling hotels and lodges
  • bike hire outlets
  • getting to and from the Pyrenees
  • non-cycling attractions and activities in the region

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Looking down a layer of cloud in the valley from the summit of Col du Tourmalet

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