Satellite map of Tongtian Avenue

Hunan · China

Tongtian Avenue

Y104Zhangjiajie to Tianmen Mountain

Distance7.0 mi11.3 km
Drive time18 minon the road
DifficultyExperttightness 10 of 10

Tongtian Avenue, the Road to Heaven, climbs 11 km up the sheer face of Tianmen Mountain on 99 consecutive hairpin bends, rising 1,100 m to a natural rock arch at 1,300 m.

The road begins at the Tianmen Mountain National Forest Park entrance on the edge of Zhangjiajie and climbs in a tight spiral of 99 switchbacks, nearly all approaching 180 degrees, up the limestone face. Built 1998-2005, each bend is numbered in countdown; it ends at Cave Square below the 131 m Tianmen Cave arch. Tourist shuttle buses run year-round.

Scenery

MountainGorgeForest

Where it runs

ZhangjiajieStart · Hunan
Tianmen MountainEnd · Hunan

Character

Corners91bends
Tightness10of 10
Max gradient20%≈ 1-in-5
Hairpins33tight bends
Climb909 mtotal ascent
Summit1,185 mhighest point of the line · 3,888 ft

More hairpins than 9 in 10 roads · steeper than 9 in 10 roads here in the catalogue.

Elevation

under 4%4–8%over 8%329 – 1,185 m
summit 500 m750 m1,000 m 0.0 mi3.4 mi6.8 mi

Hazards

  • open to tourist buses only, private vehicles not permitted
  • 99 hairpin bends cause severe motion sickness
  • summit 10C colder than the base
  • frequent fog on the upper sections
  • vertical cliff drops off the road edge

Sources: Road geometry © OpenStreetMap contributors

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