
Passo San Nicola
A 15.1 km haul at 4.06% average, lifting you from 19 m to 631 m for 612 m of net gain and pitches to 8%.
- Length
- 15.1km
- Avg
- 4.1%
- Max
- 8.0%
- Summit
- 631m
- Ascent
- 587m
The climb
Gradient profile
Overview
Passo San Nicola is a long, steady category 2 climb that stretches 15.1 km from a valley floor at just 19 m up to a summit of 631 m. Over that distance it averages a modest 4.06%, delivering 612 m of net elevation change and 587 m of total ascent. Those two figures being close tells you this is a climb that mostly goes up — there is little in the way of downhill relief to reset your legs, so the effort is relentless rather than explosive.
How the Gradient Unfolds
At 4.06% average, San Nicola sits firmly in tempo territory rather than the wall-like ramps of a shorter climb. But the average hides the shape. With a maximum gradient of 8% — nearly double the mean — the road clearly pulses between easier drags and steeper kickers. Expect long stretches that sit comfortably below the average, punctuated by ramps that bite up toward that 8% ceiling. The gap between 587 m of total ascent and 612 m of net gain is small, confirming the climb rarely levels off or dips; it is a near-continuous ascent that simply changes pitch.
Pacing Notes
On a climb this long, the winning strategy is patience. Anchor your effort to your FTP and resist the urge to chase the steeper ramps out of the saddle. If you do not know your threshold, run the numbers through the FTP estimator before you go — a solid figure lets you ride the 4.06% sections at a sustainable percentage and save a little headroom for the pitches nearing 8%.
Because the climb averages a manageable gradient, most riders can hold a rhythm at or just below threshold for the bulk of the 15.1 km. Meter your intensity so the steeper kickers feel like brief surges rather than efforts that blow your legs apart. The climb's length means small pacing errors compound — go too deep early and the final kilometres toward 631 m will feel far longer than they are.
Gearing
The average is friendly, but 15.1 km of continuous climbing plus ramps to 8% still rewards a wide cassette. A compact 34-tooth inner chainring is the sensible baseline. Pair it with a 34×32 for a spread that covers the steeper pitches without spinning out on the shallower drags. If you carry extra fatigue, prefer a higher cadence, or simply want insurance for the back half of the climb, step up to a 34×34 — the extra sprocket keeps your legs turning smoothly when the road tips toward its 8% maximum late in the effort. Either setup lets you protect your knees and hold cadence across the full climb.
Summary
Passo San Nicola is a long, honest category 2 ascent: 15.1 km at 4.06% average that gains 612 m to top out at 631 m. It is a climb of rhythm and patience — pace it to your threshold, gear for the 8% ramps, and let the length do the rest.
Length: 15.1 km
Average gradient: 4.06%
Max gradient: 8%
Start: 19 m
Summit: 631 m
Net gain: 612 m
Total ascent: 587 m
Category: 2