Altigraphs
1 Lleida · Catalonia, Spain

Coll de Boix,

North-western ascent from Pont d'Espia (Coll de Nargó) — the hardest of the 2 ways up
2 ways up
From Pont d'Espia (Coll de Nargó) 16.5 km · 4.8% From Pont d'Espia (by Alinya) 16.2 km · 4.7%
Compare all 2

Elevation profile

517 m → 1262 m
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest kilometre: km 9 at 8.4% — peaks at 20.9%
Elevation inside a tunnel is unreliable — the survey reads the mountain above the road, not the road. Report a tunnel

Climb stats

792 m Ascent
16.51 km Length
4.8% Average
30% Maximum
1255 m Summit altitude
120 Difficulty

Kilometre by kilometre

Export CSV
Km Altitude Gain Average Max Gradient
1 541 m +34 m 3.4% 9%
2 549 m +18 m 1.8% 5%
3 581 m +32 m 3.2% 6%
4 646 m +65 m 6.5% 8%
5 699 m +54 m 5.4% 7%
6 745 m +46 m 4.6% 8%
7 793 m +47 m 4.7% 7%
8 834 m +43 m 4.3% 13%
9 894 m +84 m 8.4% 30%
10 942 m +48 m 4.8% 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 120?

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

Location

Country Spain
Region Catalonia
Province Lleida

Conditions at the summit

19°
Clear · feels like 19°
Wind 2 km/h NW
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