Skip to content
Lonely Island
Atlas/asia/Deep field file

Signal verified · updated 2026-09-03

Jeju

South Korea's volcanic holiday island: Hallasan, lava tubes and the Seongsan sunrise peak, all UNESCO-listed.

33.380° N126.550° E
site access marine
Jeju International Airport (CJU)
Hallasan National Park
Seongsan Ilchulbong
Manjanggul Cave
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.

  1. 01
    Jeju International Airport (CJU)

    Nearest recorded air access

    Schedule or condition may change · verify
  2. 02
    Water crossing

    Seoworld / MS Ferry (Mokpo-Jeju); Hanil Express (Wando-Jeju).

    Schedule or condition may change · verify
  3. 03
    Entry check

    Korea visa-exemption for many nationalities; Jeju has its own visa-free entry scheme.

    Schedule or condition may change · verify

Research, then reserve

These searches open a third-party travel service. Some links may earn Lonely Island a referral fee; ranking never depends on commission.

Search flights Search stays Find operators

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