HC HengyangHunan, China

Hengshan

South-eastern ascent from Nanyue

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Elevation profile

105 m → 1253 m Touch or hover to inspect

0–4% 4–6% 6–8% 8–10% 10–14% 14%+

Steepest km: km 5 at 16.5%

1h 17 at 3 W/kg · 70 kg rider + 8 kg bike, no wind

How this is calculated

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Km	Altitude	Gain	Gradient	Max
1	173 m	+69 m	6.9%	13.8%
2	231 m	+57 m	5.7%	10.4%
3	342 m	+112 m	11.2%	15.4%
4	412 m	+70 m	7.0%	14.4%
5	577 m	+165 m	16.5%	18.8%
6	666 m	+89 m	8.9%	18.6%
7	792 m	+126 m	12.6%	16.4%
8	931 m	+139 m	13.9%	20.0%
9	1074 m	+143 m	14.3%	19.2%
10	1136 m	+62 m	6.2%	20.4%
11	1243 m	+107 m	10.7%	17.4%
12	1253 m	+10 m	10.8%	11.6%

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How long and how steep?: From Nanyue, Hengshan is 11.1 km long and climbs 1,148 m at an average of 10.4%, to a summit at 1,253 m. Its steepest kilometre, km 5, averages 16.5%.
How long does it take?: At 3 W/kg it takes about 1 h 17 min to reach the top, at 4 W/kg about 59 min (70 kg rider, 8 kg bike, no wind).
What category is it?: It's an HC (hors catégorie) climb, with a difficulty score of 454.
Where is it?: It's in Hengyang, Hunan, China.

Difficulty score is length × gradient, weighted for the steepest kilometre.

Col du Telegraphe - Galibier, Saint Michel de Maurienne 455

Colle Fauniera via Colle d'Esischie, Pradleves 455

Hengshan, Nanyue 454

Croix de Coueur, Riddes 454

El Teide, El Médano 453

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Added by marcogf2901 · 1 contributor