Taldyk Pass

Overview

Taldyk Pass is a long, high-altitude Category 1 climb that runs 18.9 km at an average gradient of 5.19%. What sets it apart is where it happens: the road begins at 2609 m and tops out at 3590 m, so the whole effort unfolds in thin mountain air. Over its full length you climb 981 m of net elevation, with 968 m of total ascent — the two numbers being close means this is a genuine, near-continuous uphill rather than a rolling profile that flatters its average. At nearly 19 km with a summit well above 3500 m, it demands endurance and patience more than raw explosive power.

How the Gradient Unfolds

The 5.19% average is a friendly headline, but averages hide the story. With a maximum gradient of 13.03%, Taldyk stacks nearly 8 percentage points of variation between its steepest ramp and its mean. Expect long stretches that sit comfortably below the average, punctuated by sharper pitches where the road rears up toward that 13.03% ceiling. Because the net gain of 981 m only slightly exceeds the 968 m of total ascent, there is almost no downhill respite to recover on — every metre you drop, you pay back immediately. Treat the climb as a series of sustained blocks: settle into the shallower sections, then absorb the steep kicks without panicking, knowing the gradient always relaxes again afterward.

Pacing Notes

At 18.9 km, this is a climb where going out too hard is punished cruelly, and the altitude only sharpens that penalty. Anchor your effort to your FTP: on a climb this long you want to ride just under threshold on the 5.19% averages and let your power sag slightly on the 13.03% ramps rather than surging. If you do not know your threshold number, the FTP estimator will give you a working figure to plan around. Remember that at 3590 m your available power is meaningfully reduced compared to sea level, so pace on perceived effort and breathing as much as on the number — the 981 m of climbing will feel longer than the gradient suggests.

Gearing

Nineteen kilometres of uphill with pitches to 13.03% is exactly the terrain that rewards easy gearing. A compact chainring paired with a wide-range cassette is the sensible baseline here. A 34×32 will carry most riders through the average slopes, but on a climb this long, and with the steepest sections biting hard in thin air, a 34×34 gives you the extra spinning cadence to protect your legs across the full 968 m of ascent. If your bike can take it, err toward the lower ratio — you will never regret an easier gear at 3590 m.

Summary

Taldyk Pass is a patient, high-altitude endurance climb: 18.9 km of near-continuous ascent that lifts you nearly a kilometre into the sky. Ride it on feel, gear low, and respect the altitude, and its 5.19% average becomes a rhythm rather than a wall.

Length: 18.9 km
Average gradient: 5.19%
Max gradient: 13.03%
Start: 2609 m
Summit: 3590 m
Net gain: 981 m
Total ascent: 968 m
Category: 1