Mila Shan

Overview

Mila Shan is a short but demanding cycling climb in China, measuring 4.7 km with an average gradient of 4.7%. It carries a category 3 rating, placing it in the milder tier of the classification scale (below the harder 1 and 2 categories, and well below HC). Yet the raw numbers understate the challenge. The road climbs from a start elevation of 4781 m to a summit at 5002 m — a net gain of 221 m and a total ascent of 220 m. At that altitude, every pedal stroke costs more than the gradient suggests, and a 4.7% average that would feel gentle at sea level becomes a genuine test of pacing and lungs.

How the Gradient Unfolds

For a climb this short, the shape is refreshingly consistent. The 4.7% average and the 6.73% maximum sit close together, which tells you there are no brutal walls here — the road never ramps beyond roughly 6.73%, and the steepest pitches are only about 2% above the mean. Expect a steady grind rather than a series of shocks. Over 4.7 km, the difference between the net gain of 221 m and the total ascent of 220 m is effectively nothing, meaning there are no false flats or descents to break rhythm and recover. What goes up, keeps going up. That uniformity makes Mila Shan a climb you can settle into and meter out evenly from bottom to top.

Pacing Notes

Because the gradient is so even, Mila Shan rewards a disciplined, threshold-based effort. Ride it just below your FTP and hold that output steady from the first ramp to the summit — there is no need to save matches for a surprise steep section, because the 6.73% maximum is barely harder than the 4.7% average. If you do not know your threshold power, run the numbers through the FTP estimator first so you can pick a wattage you can sustain for the roughly 4.7 km duration. The one variable the profile does not show is altitude: starting at 4781 m and finishing at 5002 m, your usable power will be noticeably suppressed, so scale your target down and let perceived effort, not ego, set the pace.

Gearing

For most riders a compact setup is more than enough here. A 34-tooth inner chainring paired with a 32-tooth cassette sprocket — a 34×32 — comfortably covers the 4.7% average and the 6.73% maximum on the shape of this road. If you are riding at the back of a long day, carrying luggage, or simply want to spin lightly at altitude where oxygen is scarce, drop to a 34×34 for extra insurance. The near-constant gradient means you will rarely need to shift once you find your rhythm, so choose the ratio that lets you hold a relaxed, sustainable cadence all the way to 5002 m.

Summary

Mila Shan is a compact, evenly graded category 3 climb that punches above its numbers thanks to altitude. Pace it steadily, gear conservatively, and respect the thin air.

Length: 4.7 km
Average gradient: 4.7%
Max gradient: 6.73%
Start: 4781 m
Summit: 5002 m
Net gain: 221 m
Total ascent: 220 m
Category: 3