Satellite map of 1100 Road (Jeju)

Jeju · South Korea

1100 Road (Jeju)

1100Jeju City to Seogwipo

Distance20.8 mi33 km
Drive time42 minon the road
DifficultyEasytightness 5 of 10

Korea’s highest drivable road crosses the shoulder of Hallasan at 1,100 m, the UNESCO volcano that fills the centre of Jeju Island, linking Jeju City to the Jungmun coast.

Provincial road 1139, universally called the 1100 Road, bisects Jeju north to south across Hallasan’s flanks, cresting at the 1100 Highland wetland (a Ramsar bog with a boardwalk and island-wide views) before descending through national-park forest to the Jungmun resort coast. Cherry blossoms in spring, maples in autumn, a snow-capped Hallasan in winter.

Scenery

MountainForestValley

Where it runs

Jeju CityStart · Jeju
SeogwipoEnd · Jeju

Character

Corners49bends
Tightness5of 10
Max gradient8%≈ 1-in-13
Hairpins1tight bends
Climb965 mtotal ascent
Summit1,075 mhighest point of the line · 3,527 ft

Elevation

under 4%4–8%over 8%69 – 1,075 m
summit 500 m1,000 m 0 mi10 mi21 mi

Hazards

  • closures in heavy snow or strong wind
  • icy surface in winter without chains
  • weekend congestion

Sources: Road geometry © OpenStreetMap contributors

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