🏔️ Nature

Hallasan National Park

Jeju, South Korea

About Hallasan National Park

South Korea's highest mountain at 1,950m, a dormant volcano at the centre of Jeju and part of its UNESCO World Natural Heritage site. Only the Seongpanak and Gwaneumsa trails reach the summit crater lake, Baengnokdam, and both need a free advance reservation; other trails such as Eorimok and Yeongsil climb to scenic ridges without one.

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📍Hallasan National Park, Jeju-do, South Korea

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Why it works for solo travelers

✓ Comfortable to visit on your own.
✓ Budget-friendly ($).

More solo-friendly nature in Jeju →Jeju solo travel guide →

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More Nature in Jeju

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Seongsan Ilchulbong

A tuff cone that rose from the sea about 5,000 years ago and part of Jeju's UNESCO natural heritage, with a steep stairway up to a vast grassy crater rim at 182m. Known as 'Sunrise Peak', it opens early for dawn climbs. At its base you may catch Jeju's haenyeo, the island's women divers, performing and selling fresh seafood.

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Manjanggul Lava Tube

One of the world's finest lava tubes and part of Jeju's UNESCO World Natural Heritage site. About 1km is open to visitors, ending at a 7.6m lava column. It reopened on 30 May 2026 after a long closure, with new walkways; it's cool and damp inside year-round, so bring a layer. It's closed on the first Wednesday of each month.

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Cheonjeyeon Falls

A three-tier waterfall in a wooded gorge in the Jungmun resort area, its name meaning 'pond of the emperor of heaven'. Paths and stairs lead down to each tier, and the arched Seonimgyo bridge, decorated with the Seven Nymphs of legend, spans the valley above. The pools are fullest after rain; there's a small entry fee.

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