Blue Nile Gorge

Overview

The Blue Nile Gorge is a Category 2 haul that trades on steady, unrelenting difficulty rather than a single savage wall. Over 8.9 km the road lifts you from 1869 m to 2423 m, a net gain of 554 m at an average gradient of 6.22%. The total ascent tallies 548 m, which tells you the climb is almost entirely uphill with only the faintest respite — there is nowhere to freewheel and recover. Add the thin air of altitude to that near-continuous grade and you have a climb that rewards patience and punishes anyone who lights the match too early.

How the Gradient Unfolds

Because the 8.9 km averages 6.22% while spiking to a maximum of 12.13%, the road is far from uniform. The difference between the average and the max — nearly 6% of pitch — is where the climb hides its teeth. Expect long stretches that sit close to the 6.22% mean, sustainable but grinding, broken by a ramp that nearly doubles the gradient to 12.13%. The gap between net gain (554 m) and total ascent (548 m) is tiny, confirming there are no genuine descents to break the rhythm. Treat the whole climb as one continuous effort with a single hard surge to survive, rather than a series of distinct pitches.

Pacing Notes

This is a climb best ridden to a number. On a grade this steady, holding just under your threshold is the winning strategy. Anchor your effort around your FTP and resist the urge to chase the early metres — you have 8.9 km to fill and 554 m to earn. If you do not know your threshold precisely, run the numbers through the FTP estimator before you go, then pick a power target you can defend all the way to 2423 m.

The one place to spend a little extra is the 12.13% ramp. Rather than blowing your pacing apart, lift the effort briefly, stay seated where you can, and settle straight back to your rhythm once the gradient eases toward the 6.22% average. Everything after that is about protecting what is left in the tank as the altitude begins to bite.

Gearing

At 6.22% average with a 12.13% spike, gearing is your friend on the Blue Nile Gorge. A compact 34-tooth chainring paired with a 34×32 cassette gives most riders enough range to spin the sustained sections without cross-chaining into the red. If you carry any fatigue, ride at altitude, or simply prefer to keep the cadence high, size up to a 34×34 — that extra sprocket is exactly what you want when the road tilts to 12.13% and 554 m of climbing is grinding through your legs. Choose the easier gear you think you need; the summit at 2423 m always feels steeper than the profile suggests.

Summary

The Blue Nile Gorge is a disciplined Category 2 test: steady, high, and just spiky enough at 12.13% to catch out the impatient. Pace it to your threshold, gear low, and let the 6.22% average do the work.

Length 8.9 km
Average gradient 6.22%
Max gradient 12.13%
Start 1869 m
Summit 2423 m
Net gain 554 m
Total ascent 548 m
Category 2