Gombaeryeong

Gombaeryeong cycling climb profile

Gombaeryeong is short on distance and heavy on consequence. At 5 km with an average gradient of 11.97 percent, this is not a climb where the difficulty hides in one isolated ramp. The average itself is the warning. Anything close to that steep for the full length forces a very different ride than a longer, rolling ascent, because there is little opportunity to let momentum or aerodynamics do meaningful work.

The climb starts at 162 m and reaches 755 m, for a net elevation gain of 593 m. That gain over just 5 km explains why Gombaeryeong carries a category 1 rating despite its compact length. The road is asking for sustained force production almost immediately, and the cost of riding above threshold early will show up quickly.

How the gradient unfolds

The supplied profile gives an average gradient of 11.97 percent and a maximum gradient of 15.11 percent. Without split-by-split gradient data, the safest way to read this climb is as consistently steep rather than as a gentle approach to one decisive wall.

That matters tactically. A maximum of 15.11 percent is clearly severe, but it is not wildly detached from the average. In practical terms, the hard sections are likely to feel like extensions of the same pressure rather than isolated shocks. You should expect the climb to settle into a grinding rhythm where the difference between sustainable and unsustainable effort is narrow.

Pacing and gearing

The key mistake on Gombaeryeong is treating 5 km as short enough to muscle through. At an average of 11.97 percent, overgearing turns the climb into repeated accelerations against gravity. That will spike torque demand, load the legs early, and make the final part feel much longer than the distance suggests.

Start under control and let the gradient set the pace. If riding by power, anchor the opening effort below the number you would use for a shorter punchy climb, then build only once the effort has stabilized. If riding by feel, the right sensation is firm but contained: breathing under pressure, legs loaded, but no early surges just to hold speed.

Gearing should be conservative. Choose a low enough gear that lets you keep pressure on the pedals without being forced into a standing grind every time the road reaches its steepest pitches. The 15.11 percent maximum makes that especially important, because those ramps will punish anyone already riding at the edge.

For riders using Gombaeryeong as a training target, this is a useful climb for sustained climbing strength and pacing discipline. It rewards patience more than aggression. The profile is simple, but the execution is not: stay smooth, avoid early torque spikes, and save the real commitment for the upper slopes once the climb has already taken its first bite. For more on matching effort to climb duration, see /glossary/ftp.