Jeju Island packs volcanic landscapes, UNESCO World Heritage sites, waterfalls, museums, and one of South Korea’s most distinctive food cultures into an area roughly three times the size of Seoul. Jeju City on the north coast serves as the gateway, with the airport, ferry terminal, and most hotels concentrated here. This guide covers the island’s top attractions, from the summit of Hallasan to the lava tubes of the northeast coast. For more detail, see the Jeju City weather by month. For more, see the best time to visit guide.
Natural Wonders and Outdoor Activities
Hallasan National Park
Hallasan (1,947m / 6,388 ft), a shield volcano at the center of Jeju Island, is South Korea’s highest mountain and a UNESCO World Heritage site. The summit crater lake, Baengnokdam, fills with snowmelt in spring and shrinks through summer. Five hiking trails access the mountain, but only two reach the summit: the Seongpanak Trail (9.6km one way, roughly 4.5 hours up) on the east side and the Gwaneumsa Trail (8.7km, 5 hours) on the north. Both require a full day and early starts since summit access cut-off times are strictly enforced (typically 12:00pm at Jindallaebat shelter on Seongpanak, 12:30pm at Samgakbong on Gwaneumsa). The shorter Eoseungsaengak Trail (1.3km, 30 minutes) and Yeongsil Trail (3.7km, 2 hours to Witsae Oreum) offer half-day options with excellent views without summit commitment. Park entry is free, but you need to reserve summit trail access online at the Jeju National Park website during peak seasons (spring and autumn). No shops or water on the upper mountain: carry at least 1.5L of water per person. The park is open from 5:00am to sunset, with last entry varying by season. For more, see the events and festivals calendar. For more, see the neighborhoods guide.
Seongsan Ilchulbong (Sunrise Peak)
This tuff cone crater on Jeju’s eastern coast rises 182m (597 ft) from the sea and is the island’s most photographed landmark. Formed by an underwater volcanic eruption roughly 5,000 years ago, it’s a UNESCO World Natural Heritage site. The hike to the rim takes 20-30 minutes up a well-maintained staircase (free for the lower slopes, 2,000 KRW / US$1.50 for the crater rim). Sunrise is the magic hour: the peak’s name translates to “Sunrise Peak” and the view of the sun rising over the East Sea from the crater rim draws hundreds of visitors each morning. Bus 111 from Jeju City Bus Terminal takes roughly 1 hour 20 minutes. Arrive by 5:30am in summer to catch sunrise. At the base, you can watch Haenyeo (female divers) demonstrations at 1:30pm and 3:00pm daily, where women in their 60s and 70s free-dive for sea urchins and abalone in the traditional style recognized by UNESCO as Intangible Cultural Heritage. For more, see the where to stay guide. For more, see the travel tips and FAQ.
Manjanggul Lava Tube
Part of the Geomunoreum Lava Tube System, another UNESCO site, Manjanggul is one of the world’s longest lava tubes open to visitors. About 1km of the total 7.4km length is accessible, with a flat, paved path lit by dim atmospheric lighting. The highlight is a 7.6m (25 ft) lava column near the end of the public section, the largest known lava column in the world. The cave stays at a constant 11-14°C (52-57°F) year-round, so bring a light jacket even in August. Water drips from the ceiling constantly: waterproof shoes help. Entry is 4,000 KRW (US$3) for adults. Bus 710 from Jeju City takes about 1 hour. The tube is currently closed for renovations as of early 2026; check the Jeju Tourism Organization website for reopening dates before visiting.
Jeongbang Waterfall
One of only a handful of waterfalls in Asia that drops directly into the ocean, Jeongbang plunges 23m (75 ft) off a cliff into a rocky cove near Seogwipo on the south coast. You can walk right up to the base of the falls and onto the black volcanic rocks at the water’s edge. The spray creates rainbows on sunny mornings. Entry is 2,000 KRW (US$1.50). Combine with nearby Cheonjiyeon Waterfall (22m high, 12m wide, surrounded by a subtropical forest trail) and Sojeongbang Waterfall (a smaller cascade just east of Jeongbang, free), all within a 20-minute walk of each other. Bus 600 from Jeju City takes roughly 1 hour to Seogwipo.
Cultural Attractions and Museums
Haenyeo Museum
Located near Seongsan Ilchulbong on the east coast, this museum documents the culture of Jeju’s Haenyeo, the female free-divers who harvest seafood without breathing apparatus, a tradition dating back to the 17th century and now recognized by UNESCO. Exhibits cover their equipment (lead weights, wetsuits, floats called tewak), working songs, and the social structure of Haenyeo communities. The average Haenyeo is now over 65 years old; fewer than 4,000 remain active, down from 23,000 in the 1960s. Entry is 1,100 KRW (US$0.80). Open 9:00am to 6:00pm, closed Mondays. Combine with a visit to Seongsan Ilchulbong, 15 minutes away by bus.
Jeju Folklore and Natural History Museum
In Jeju City itself, this museum provides a solid overview of the island’s volcanic geology, flora, fauna, and traditional culture in about 90 minutes. Dioramas show Jeju’s thatched-roof stone houses, fishing techniques, and the island’s distinctive basalt grandfather statues (dolhareubang). These carved stone figures, with bulging eyes, a flat nose, and a mushroom-shaped hat, are Jeju’s iconic symbol and were traditionally placed at village entrances as guardian spirits. Entry is 2,000 KRW (US$1.50). Open 9:00am to 6:00pm, closed on January 1, Lunar New Year, and Chuseok. Located near Jeju City Hall, accessible by bus 100 or a 15-minute taxi from the airport.
Osulloc Tea Museum
On the west coast near the town of Hallim, Osulloc is Korea’s largest tea plantation and a popular stop for its photogenic green tea fields, modern museum building, and cafe selling green tea lattes, matcha ice cream, and green tea roll cake (6,000-8,000 KRW / US$4.50-6). The museum explains Korean tea culture and Osulloc’s farming process. Next door, the Innisfree Jeju House sells cosmetics made with Jeju-grown ingredients and offers DIY soap-making workshops. Both are free to enter. Bus 150 from Jeju City takes roughly 50 minutes. The tea fields are at their greenest from May through September.
Beaches and Coastal Exploration
Hamdeok Beach
Hamdeok, 14km east of Jeju City (25 minutes by bus 101), is the closest proper beach to the city and one of the island’s best. The shallow, turquoise water and soft white sand make it family-friendly, while the volcanic rock outcrop just offshore (Seoubong Peak) provides a scenic backdrop and a short 10-minute walk uphill for panoramic photos. Facilities include showers (1,000 KRW), umbrella and sunbed rentals (10,000 KRW / US$7.50), and a row of casual Korean seafood restaurants along the promenade. The beach is at its best in July and August when the water reaches 24-26°C (75-79°F); it’s largely deserted from November through April.
Hyeopjae Beach
On the west coast near Hallim, Hyeopjae is famous for its emerald-green water, powdery white sand mixed with crushed shells, and views of Biyangdo Island offshore. At low tide, you can walk a long way out on exposed sandbars. The beach is shallow and calm, safe for swimming and wading. Facilities include camping grounds and showers. Combine with a visit to Hallim Park (12,000 KRW / US$9), a botanical garden with palm tree avenues, bonsai gardens, and two lava tube caves, 500m from the beach. Bus 202 from Jeju City takes roughly 1 hour. Hyeopjae is one of the west coast’s most popular beaches and gets crowded on summer weekends; arrive before 10:00am to secure a good spot.
Jusangjeolli Cliffs
Near Jungmun on the south coast, these hexagonal basalt columns were formed when lava from Hallasan cooled rapidly upon hitting the sea. The result is a 20m-high (65 ft) cliff face of interlocking stone pillars rising straight out of the ocean, resembling the Giant’s Causeway in Northern Ireland. A viewing platform lets you watch waves crash against the columns, especially dramatic during high tide and after typhoons when spray shoots 10m into the air. Entry is 2,000 KRW (US$1.50). Open 9:00am to 6:00pm. The site is compact: you’ll spend 20-30 minutes here. Combine with the nearby Jungmun Saekdal Beach and Cheonjeyeon Waterfall (three-tiered cascade, 2,500 KRW entry) for a half-day south coast itinerary.
