Valico di Bosco la Piana

Overview

Valico di Bosco la Piana is a category 2 climb that packs a genuine challenge into a manageable distance. Over 8.1 km you gain 491 m of net elevation, starting at 394 m and topping out at 885 m. The average gradient of 6.06% marks it as a steady, sustained effort rather than a brutal wall, but the 12.82% maximum tells you there are moments where the road bites back. With a total ascent of 476 m recorded across its rises and dips, this is a climb that rewards riders who can hold a rhythm and absorb the sharper pitches without overreacting.

How the Gradient Unfolds

The headline number is that 6.06% average, but averages hide the story. The gap between the 6.06% mean and the 12.82% maximum is significant, which means the climb is not a uniform ramp. Expect stretches at or below the average that let you breathe, punctuated by steeper sections that spike well into double digits. The fact that total ascent (476 m) sits slightly below net gain (491 m) tells you the profile is essentially relentless upward, with almost no descending relief to recover on. Once you commit, the road keeps pointing up until the 885 m summit.

Pacing Notes

The smartest way to ride Valico di Bosco la Piana is to anchor your effort to your sustainable power rather than the gradient underfoot. For a climb of this length at 6.06% average, most riders will spend roughly 30 to 45 minutes climbing, which places the effort right around threshold. Aim to hold a pace you could sustain at or just under your FTP, letting your power drift up on the steep 12.82% ramps and settling back on the shallower sections. If you do not know your threshold, run the numbers through the FTP estimator before you tackle it, so you can pace the full 8.1 km without blowing up on the first steep pitch.

Gearing

Given the 12.82% maximum gradient and the sustained 6.06% grind over 8.1 km, gearing matters more here than the modest average suggests. A compact 34-tooth inner chainring paired with a wide-range cassette is the sensible baseline. A 34×32 combination will get most reasonably fit riders up the steepest ramps while maintaining a spinnable cadence. If you carry a bit more weight, ride at lower fitness, or simply prefer to save your legs, step up to a 34×34, which gives you extra margin on the 12.82% sections so you can stay seated and spin rather than grinding out of the saddle and burning matches early.

Summary

Valico di Bosco la Piana is a well-balanced category 2 test: long enough to demand pacing discipline, steep enough in places to punish poor gearing choices. Ride it to your threshold, gear conservatively for the 12.82% pitches, and the 885 m summit will come around more comfortably than the numbers first suggest.

Length: 8.1 km
Average gradient: 6.06%
Max gradient: 12.82%
Start: 394 m
Summit: 885 m
Net gain: 491 m
Total ascent: 476 m
Category: 2