Overview
Formed about 300,000 years ago, Manjanggul is a 7.4km lava tube registered as a UNESCO Natural Heritage Site. Visitors can walk about 1km of the cave, viewing unique formations like lava stalagmites and lava bridges. The 7.6m lava column at the end is the world's largest and the cave's highlight. The interior stays 11-21°C year-round. Admission KRW 4,000.
Travel Tips
It's dark and slippery inside - wear sneakers. Bring a light jacket in summer.
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🇰🇷 Tips for Korean Travelers
Practical info for Korean travelers heading to Jeju, South Korea from Seoul (ICN).
Korean Passport · Visa
Check visa rules for South Korea on the Korean MOFA travel advisory site before flying — visa-free, visa-on-arrival or e-visa rules change often. Keep at least 6 months of passport validity.
Flight from Incheon (ICN)
Compare direct and connecting flights from Incheon (ICN) to Jeju on Skyscanner or Google Flights. Early-morning departures from Korea are usually the cheapest option.
KRW ↔ Local Currency
Check the live FX widget above for the latest KRW rate. Korean travel cards like Travel Wallet, Hana EZ and Toss FX offer free local ATM withdrawals and competitive rates.
Korean Community · Korean Food
Many cities have an active Korean community in Jeju with Korean restaurants, mini-marts, and Korean-speaking guides. Search Naver Cafe or KakaoTalk open chats for "Jeju 한인" before you go.
Attractions near Manjanggul Lava Tube
Tap a pin on the map to jump to that attraction.
Woljeong-ri Beach
A popular east Jeju beach known for its white sand and trendy cafe strip.
📍 3.9km away
Hamdeok Beach
Jeju's most popular beach, combining shallow emerald waters with views of Seoubong hill.
📍 9.6km away
Jeju Stone Park
A large open-air museum park exploring Jeju's volcanic stone culture and mythology.
📍 13.8km away
Udo Island
A small island off Jeju's east coast shaped like a lying cow, with emerald waters.
📍 16.9km away
Aqua Planet Jeju
Korea's largest public aquarium, located near Seongsan Ilchulbong.
📍 18.0km away
Cheonjiyeon Waterfall
A beautiful waterfall in Seogwipo whose name means 'the pond where sky and earth meet.'
📍 37.3km away
Saebyeol Oreum
A beautiful parasitic volcano in western Jeju, famed for silver grass fields and sunsets.
📍 42.1km away
Cheonjeyeon Falls
A three-tiered waterfall paired with an arched bridge, one of Jeju's three great falls.
📍 44.9km away
Daepo Jusangjeolli Cliff
A dramatic coastline of hexagonal basalt columns formed by cooling lava.
📍 45.6km away
Hyeopjae Beach
A stunning west-coast Jeju beach with emerald water and powdery white sand.
📍 51.5km away
Things to Do in Jeju
Jeju Olle Trail Trekking
Choose from 26 Olle Trail routes and trek along stunning coastal scenery. Free. Route 7 (Seogwipo) is the most popular
Haenyeo Diving Experience
Dive with Jeju's haenyeo women divers to harvest seafood from the ocean. KRW 50,000-80,000 per person
ATV Oreum Tour
Off-road ATV tour through Jeju's oreum (parasitic volcanoes). KRW 40,000-60,000 per person