Coll de Cal Deus

Overview

Coll de Cal Deus is a 6 km category 3 climb that lifts you from a valley floor at 92 m to a summit of 368 m. On paper the numbers read as approachable: a 4.62% average gradient and 276 m of net elevation gain. But averages flatter a road that never quite settles. With a max pitch of 14.25%, this is a climb that hides its teeth behind a friendly headline figure. Ride it once and you learn to distrust the "3" next to its name.

How the Gradient Unfolds

The gap between the 4.62% average and the 14.25% maximum tells the whole story. This is not a metronomic drag where you can lock into one gear and grind. Instead, the road pulses. Long stretches sit gently below the average, lulling you into a rhythm, before ramping into short, steep kicks that briefly triple the effort. The difference between the net elevation gain of 276 m and the total ascent of 229 m confirms the road is not a clean, monotonic ramp — there are pockets where the gradient eases or the terrain rolls, which is why your legs get moments of respite between the punches. Read the road ahead rather than the computer: the steep sections arrive fast and leave just as quickly.

Pacing Notes

For a climb this short, discipline beats bravado. The whole 6 km can be done in one sustained effort, so anchor your pacing to your FTP and resist the urge to attack the early gentle slopes. Bank nothing in the flat sections that you will need when the road tips toward 14.25%. A smart approach is to ride the shallow stretches slightly under threshold and accept a brief surge above it on the steep pitches, letting the easier gradients that follow flush your legs. If you are unsure of your threshold, run the numbers through the FTP estimator before you tackle it, then translate that into a target you can hold for the full climb. With only 276 m of net gain to clear, the effort is over quickly — the challenge is spending your energy in the right places rather than burning it all on the first ramp.

Gearing

Do not let the modest 4.62% average tempt you into over-geared complacency. The 14.25% max is what dictates your setup. For most riders, a compact 34-tooth inner chainring paired with a 32-tooth largest sprocket — a 34×32 — gives enough range to spin through the steep pitches without your cadence collapsing. If you carry extra weight, ride tired, or simply prefer to keep your knees happy, size up to a 34×34 for a little more insurance on the sharpest sections. Either way, the goal is to keep turning the pedals smoothly through the kicks rather than lurching out of the saddle.

Summary

Coll de Cal Deus is a deceptively spiky category 3 test — short at 6 km, gentle on average, but genuinely steep where it counts. Pace it with restraint, gear it for the maximum rather than the mean, and it rewards you with a satisfying 368 m summit.

Length: 6 km
Average gradient: 4.62%
Max gradient: 14.25%
Start: 92 m
Summit: 368 m
Net gain: 276 m
Total ascent: 229 m
Category: 3