Altigraphs
3

Portillo de Busto

Southern ascent from Busto de Bureba — the hardest of the 2 ways up
2 ways up
From Busto de Bureba 6.5 km · 4.7% From the village 3.4 km · 5.8%
Compare all 2

Elevation profile

684 m → 994 m
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest kilometre: km 4 at 5.8% — peaks at 7%
Elevation inside a tunnel is unreliable — the survey reads the mountain above the road, not the road. Report a tunnel

Climb stats

305 m Ascent
6.48 km Length
4.7% Average
8% Maximum
994 m Summit altitude
46 Difficulty

Kilometre by kilometre

Export CSV
Km Altitude Gain Average Max Gradient
1 715 m +31 m 3.1% 5%
2 751 m +36 m 3.6% 6%
3 799 m +48 m 4.8% 8%
4 857 m +58 m 5.8% 7%
5 914 m +57 m 5.7% 7%
6 968 m +54 m 5.4% 7%
7 994 m +25 m 5.3% 6.7%

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 46?

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

17°
Clear · feels like 16°
Wind 3 km/h N
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