Altigraphs
HC

Col de la Loze

North-western ascent from Brides les Bains — the hardest of the 3 ways up

Elevation profile

653 m → 2303 m
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest kilometre: km 19 at 11.4% — peaks at 18.1%
Elevation inside a tunnel is unreliable — the survey reads the mountain above the road, not the road. Report a tunnel

Climb stats

1661 m Ascent
21.40 km Length
7.76% Average
25% Maximum
2303 m Summit altitude
409 Difficulty

Kilometre by kilometre

Export CSV
Km Altitude Gain Average Max Gradient
1 739 m +91 m 9% 15%
2 821 m +88 m 8.8% 21%
3 900 m +80 m 8% 17%
4 979 m +79 m 7.9% 15%
5 1053 m +74 m 7.4% 19%
6 1110 m +57 m 5.7% 10%
7 1193 m +83 m 8.3% 13%
8 1245 m +52 m 5.2% 9%
9 1306 m +61 m 6.1% 12%
10 1346 m +44 m 4.4% 14%

Route map

Paved Unpaved Cobblestone Unknown
Report a road type

Photos

No photos yet — be the first to add one.
Add a photo

Rider notes

What it is actually like, from people who have ridden it
Write a note
No rider notes yet — be the first to share what it's really like.

How hard is 409?

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

Improve this page

Every number here was measured by a rider. If you know this road, correct the data, add a photo, or leave a note for the next person.

Report a tunnel Report a road type
1 contributors History

Conditions at the summit

Partly cloudy · feels like 5°
Wind 5 km/h SE
Updated Just now
Best months to ride
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

Climbs nearby