Altigraphs
Join Altigraphs
  • Save climbs to ride later
  • Add rider notes and photos
  • Add a missing climb or fix one
1 Where this climb is: Haute-GaronneOccitania, France

Col de Portet-d’Aspet

North-western ascent from Aspet
Length
13.8 km
Height gain
631 m
Average
4.6%
Steepest km
10.6%
Summit altitude
1069 m
Difficulty
164
5 ways up · this is the hardest Compare all 5
Show all 5 ways up

Elevation profile

438 m → 1069 m Touch or hover to inspect
Elevation profile: Col de Portet-d’Aspet from Aspet
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest km: km 12 at 10.6%

Climb analysis

Where the climbing is

0–4%
6.5 km
4–6%
2.3 km
6–8%
0.8 km
8–10%
3.3 km
10–14%
1.0 km
14%+
0.0 km

Hardest sustained

1 km · km 10.7–11.7
10.9%
2 km · km 9.6–11.6
10.5%
5 km · km 8.8–13.8
9.2%

Time to the top

0h 53 at 3 W/kg · 70 kg rider + 8 kg bike, no wind
How this is calculated

Kilometre by kilometre

Export CSV
Km Altitude Gradient 0–15%
1 451 m 1.3%
2 464 m 1.3%
3 485 m 2.1%
4 527 m 4.2%
5 502 m −2.4%
6 538 m 3.6%
7 578 m 4.0%
8 606 m 2.8%
9 620 m 1.4%
10 702 m 8.2%

Route map

Two fingers to pan
Directions
Road surface not mapped yet Report a road type
No tunnels mapped Map a tunnel

How hard is 164?

Difficulty score is length × gradient, weighted for the steepest kilometre.

Help complete this climb

Riders’ photos, notes and corrections make every profile better.

Add a photo No photos yet — the last kilometre, the summit sign Write a rider note Traffic, water, where it really bites Map a tunnel Mark where the road goes underground Report a road type Not mapped yet — paved, unpaved or cobbles
Vote the best months to ride No votes yet
Nobody has voted yet Ridden this one? Tap the months you'd recommend to help other riders time it right.
Tap a month you'd recommend
Added by altigraphs · 1 contributor

Climbs nearby

Col du Portet d'Aspet From Sengouagnet · starts 3.5 km away
9.7 km +541 m 5.6%
Col des Ares From Cazaunous · starts 6.5 km away
5.8 km +294 m 5.0%
Col du Portet d'Aspet From Pont de l'Oule · starts 7.3 km away
4.4 km +431 m 9.9%
Col de Menté From Pont de l'Oule · starts 7.3 km away
11.1 km +707 m 6.3%