Signal verified · updated 2026-09-03
Jeju
South Korea's volcanic holiday island: Hallasan, lava tubes and the Seongsan sunrise peak, all UNESCO-listed.
- Formation
- shield volcano; Hallasan dome, Geomunoreum lava-tube system, Seongsan Ilchulbong tuff cone
- Population
- 670,000
- Water
- Pacific Ocean
- Access
- easy
Every required movement
The passage
to Jeju.
Fly to Jeju International (CJU) from Seoul (world's busiest air route), Busan, Osaka, Taipei; ferries from Mokpo/Wando.
- 01Jeju International Airport (CJU)
Nearest recorded air access
Schedule or condition may change · verify - 02Water crossing
Seoworld / MS Ferry (Mokpo-Jeju); Hanil Express (Wando-Jeju).
Schedule or condition may change · verify - 03Entry check
Korea visa-exemption for many nationalities; Jeju has its own visa-free entry scheme.
Schedule or condition may change · verify
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What the chart cannot hold
What becomes visible when you follow hallasan beyond the familiar map?
Oval volcanic island 73 km east-west, dominated by Hallasan, South Korea's highest peak. Triple UNESCO crown (World Heritage 2007, Biosphere Reserve, Global Geopark); home of the haenyeo free-diving women and Jeju black pork cuisine.
Independent Tamna kingdom, tributary to Baekje/Silla/Goryeo; annexed by Joseon 1404; Japanese colonial rule 1910-1945; Jeju April 3 Uprising 1948-49; province 1946, Special Self-Governing Province 2006.
Field ledger
The useful
details.
- Coordinates
- 33.38° N · 126.55° E
- Sovereignty
- South Korea · part of country
- Nearest mainland
- Korean Peninsula ~85 km north (Mokpo ferry/air link)
- Best recorded window
- April-June (canola/cherry), September-October (hiking).
- Permits / entry
- Korea visa-exemption for many nationalities; Jeju has its own visa-free entry scheme.
- Languages
- Korean (Jeju dialect)
Community intelligence
Notes from
the crossing.
Share firsthand conditions, access changes, respectful observations, or a question for someone who has been.
No traveler has left a public note here yet.
The empty ledger is part of the mystery—and an invitation to be useful.Travel information changes quickly. This field file was last revised 2026-09-03. Confirm all transport and permit details before booking.
Official source