Bildstöckljoch - Forcella del Santo
A 24.4 km HC monster averaging 6.4% and spiking to 14.43%, hauling you from 548 m to 2113 m for 1565 m of net gain.
- Length
- 24.4km
- Avg
- 6.4%
- Max
- 14.4%
- Summit
- 2,113m
- Ascent
- 1,514m
The climb
Gradient profile
Overview
Bildstöckljoch - Forcella del Santo is a genuine hors catégorie (HC) test, the sort of climb that rewards patience and punishes bravado. Over 24.4 km the road lifts you from 548 m at the base to a summit of 2113 m, a net gain of 1565 m. Its average gradient of 6.4% sounds civilised, but the length is the real adversary here: nearly a full hour of sustained climbing for most riders, with a max pitch of 14.43% waiting to break your rhythm. Total ascent tallies 1514 m, confirming this is very nearly all up, with only a whisper of respite along the way.
How the Gradient Unfolds
The 6.4% average hides a road that never settles into a single cadence. Long stretches sit close to that mean, comfortable enough to hold a diesel tempo, but the profile stiffens repeatedly toward 14.43% on its steepest ramps. Because net gain (1565 m) exceeds total ascent (1514 m) only marginally, there is almost no descending to recover on — every metre you climb, you keep. Treat the early kilometres as banked altitude, not as a place to spend matches. The steep pitches tend to arrive without warning, so read the road ahead and shift early rather than grinding to a near-halt on a 14.43% wall.
Pacing Notes
On a climb this long, pacing is everything. Anchor your effort to a percentage of your FTP rather than to how you feel in the opening kilometres, when fresh legs lie. Aim to sit comfortably below threshold for the bulk of the 24.4 km, saving a little headroom for the 14.43% ramps where power spikes are unavoidable. If you cross your threshold early, the final third of the 1565 m gain will feel far longer than it is.
If you are unsure of your number, run the FTP estimator before you commit to a target. A sustainable percentage across 24.4 km will get you to 2113 m in far better shape than a heroic first 5 km followed by a survival crawl.
Gearing
Do not under-gear this one. With a 6.4% average dragged out over 24.4 km and ramps hitting 14.43%, you want spinning options in reserve. A compact 34-tooth chainring paired with a wide cassette is the sensible baseline: a 34×32 low gear will cover most of the sustained sections and let strong climbers hold cadence. But for the 14.43% pitches near the top, deep into the 1565 m of gain and with tired legs, a 34×34 is the smarter safety net. The extra tooth is the difference between spinning and stalling on the steepest walls.
Summary
Bildstöckljoch - Forcella del Santo earns its HC label through sheer duration and a genuinely nasty 14.43% ceiling. Pace it on power, gear it low, and respect the 1565 m of climbing between 548 m and 2113 m. Do that and the summit is a triumph rather than a survival story.
Length: 24.4 km
Average gradient: 6.4%
Max gradient: 14.43%
Start: 548 m
Summit: 2113 m
Net gain: 1565 m
Total ascent: 1514 m
Category: HC