Coll de Pal (Bagá)

Overview

Coll de Pal from Bagá is a hors catégorie climb that earns its rating the hard way: 16.5 km of road that almost never lets up. From a start elevation of 696 m it hauls you all the way to a 2110 m summit, a net elevation gain of 1414 m at an average gradient of 8.58%. Total ascent over the climb comes in at 1397 m. There is no gentle valley run-in baked into that average — nearly the entire distance sits above what most riders would call a wall. When a climb this long holds a mean gradient near 8.58%, the category label stops being a formality and starts being a warning.

How the Gradient Unfolds

The defining feature of this climb is consistency, not a single savage ramp. Spreading 1414 m of net gain across 16.5 km means the road is asking for roughly 8.58% from the moment it tilts up. The small gap between total ascent (1397 m) and net gain (1414 m) tells you the profile is almost purely uphill — there are no meaningful descents or flat recovery stretches to reset your legs. Practically, that means you should treat the average as the reality rather than an artifact of a spiky profile. Expect long, sustained sections rather than a handful of steep kicks followed by relief. The higher you climb toward 2110 m, the thinner the air, so perceived effort tends to creep upward even where the road stays steady.

Pacing Notes

On a climb of this length and steepness, pacing discipline is everything. Anchor your effort to your FTP and hold something you can genuinely sustain for well over an hour, because 16.5 km at 8.58% is not a place to improvise. If you do not know your threshold power, run your numbers through the FTP estimator before you commit to a target. The classic mistake here is starting too hard on the lower slopes while the legs feel fresh, then paying for it as the summit at 2110 m approaches and the altitude bites. Ride the first third conservatively, settle into a rhythm, and keep a small reserve for the final kilometres — the gradient will not hand you a free stretch to recover on.

Gearing

Bring climbing gears and then bring one more. With a 16.5 km effort averaging 8.58%, most riders will want a compact setup paired with a wide cassette. A 34×32 is the sensible minimum, and on a climb this sustained a 34×34 gives you a meaningfully lower bailout gear for the moments your cadence starts to fall apart. Given the 1414 m of net gain, the goal is to protect your cadence for the whole ascent, not just survive one ramp. If you are between choices, err toward the easier ratio — spinning a 34×34 up the steep sustained sections costs you nothing and buys you resilience deep into the climb.

Summary

Coll de Pal from Bagá is a true HC test: long, steep, and unrelenting from 696 m to 2110 m. Respect the 8.58% average, gear low, and pace to your threshold.

Length: 16.5 km
Average gradient: 8.58%
Max gradient: n/a
Start: 696 m
Summit: 2110 m
Net gain: 1414 m
Total ascent: 1397 m
Category: HC