Sleipnir

Col de Portet d'Aspet from Cazaril

Col de Portet d'Aspet from Cazaril: 4.4 km at 9.6% average and 423 m of climbing, up to 1,069 m.

Haute-Garonne

Distance
4.4 km
Elevation gain
423 m
Average gradient
9.6 %
Start altitude
657 m
Road
Departmental road
Surface
Paved throughout
Steepest 500 m
14.2 %
Hardest 2 km
11.7 %
Hardest kilometre
km 2 · 11.2%
Above 8%
3.2 km (73% of the climb)
Difficulty index
4.0 Moderate

FIETS index: Δaltitude² / (10 × distance) + max(0, summit altitude − 1,000) / 1,000, lengths in metres. How this index works (article in French)

See your own times on this climb

How long does it take?

Estimated climbing time, by level
Level Estimated time Average speed
2.0 W/kg — 140 W 42 min 6.3 km/h
3.0 W/kg — 210 W 28 min 9.4 km/h
4.0 W/kg — 280 W 21 min 12.3 km/h

Estimated for a 70 kg rider on a 9 kg bike, in still air, at a steady effort and without stopping. Wind, a stop at the fountain or a wheel to sit on move these figures by several minutes.

The route

12340,5 km© IGN – PLAN IGN v2 · © les contributeurs d’OpenStreetMap
12340,5 km© IGN – PLAN IGN v2 · © les contributeurs d’OpenStreetMap

Climb profile

7008009001,00001234mkm

Kilometre by kilometre

Gradient and altitude, kilometre by kilometre
Km Gradient Altitude at the top of the km
1 10.9 % 766 m
2 11.2 % 877 m
3 6.3 % 941 m
4 10.1 % 1,041 m
5 (partial) 7.7 % 1,073 m

The other climbs of this col

Frequently asked questions

How long is the climb to Col de Portet d'Aspet?

The hardest climb of Col de Portet d'Aspet, from Cazaril, is 4.4 km long for 423 m of ascent, i.e. 9.6% average.

What is the steepest part of Col de Portet d'Aspet?

The steepest 500 m sits at 14.2%, and the hardest kilometre is the 2th, at 11.2%.

How long does it take to climb Col de Portet d'Aspet from Cazaril?

Col de Portet d'Aspet from Cazaril takes about 28 min at 3.0 W/kg, i.e. 9.4 km/h on average. The page gives three levels and their assumptions.

Col de Portet d'Aspet: add this col to your collection

Sleipnir recognises the cols you cross from the GPS trace of your rides: the col ticks itself off the day you ride over it.

Create an account

Free during the beta, no card required — places are limited.

A Polar watch syncs on its own; with any other watch, import your GPX or TCX files.

Garmin or Coros? Let me know when it’s ready

Which watch?