# How many days do you need on Jeju Island? > Spend 4 days on Jeju: an east day for Seongsan Ilchulbong and Udo, a south day for Seogwipo's waterfalls, a west day and Hallasan. We spent 6, split in two bases. - Source: https://clevertourists.com/resources/how-many-days-in-jeju - Authors: Evan & Clara, Clever Tourists (first-hand, from years of travel across 20 countries) - Published: 2026-09-19 **Four days.** We spent 6 days on Jeju in June 2023: **4 in Seogwipo** on the south coast (22 to 26 June) and **2 in Jeju City** in the north (26 to 28 June), between Busan and Gyeongju. Jeju is about 70 km across and its sights sit on different sides of the island, so the useful unit is the side, not the attraction: one day east, one day south, one day west and one for Hallasan. Three days works if you drop the summit; five or six suits travellers without a car, who lose time to slow buses, and anyone who wants to walk the Olle trails. ## The short answer by trip length • **2 days:** the east (Seongsan Ilchulbong, Udo) and the south (Seogwipo's waterfalls). The minimum for a flight over. • **3 days:** add the west coast, or Hallasan's shorter trails. • **4 days:** the recommendation. East, south, west and a Hallasan day. • **5 to 6 days:** what we had. Two bases, slower bus days, and sections of the Olle trail. Without a car this is the comfortable length. Split your nights: **Seogwipo** for the south coast and Olle trails, **Jeju City** for the airport and the north and east. Our [Jeju without a car guide](https://clevertourists.com/resources/jeju-without-a-car-bus-taxi-getting-around-guide) explains why two bases beat one. ## Day by day: 4 days on Jeju **Day 1, east.** **Seongsan Ilchulbong**, the tuff cone rising from the sea, opens before dawn in summer for the sunrise and costs **5,000 won**; it closes on the first Monday of each month. The climb to the crater rim takes 20 to 30 minutes. Watch the haenyeo divers' demonstration on the beach below, then take the 15-minute ferry from Seongsan Port to **Udo** (bring your passport). On the way back, **Manjanggul** lava tube reopened on 30 May 2026, with about 1 km open. **Day 2, south.** **Jeongbang Falls** drops about 23 metres off a basalt cliff straight into the sea; walk down to the rocks at its base. Add **Cheonjiyeon**, open into the evening, and **Olle route 7** west past Oedolgae rock. Eat at **Seogwipo Maeil Olle Market**. Our [Seogwipo guide](https://clevertourists.com/guides/seogwipo) covers the town. **Day 3, west.** **Jusangjeolli** basalt columns, Sanbangsan and the cliff path at Songaksan, then Hyeopjae beach. This is the side that is easiest by car or day tour. **Day 4, Hallasan.** The summit trails, **Seongpanak** and **Gwaneumsa**, need a free reservation on the national park site and have midday cutoff checkpoints; allow 8 to 9 hours on Seongpanak. The **Yeongsil** and **Eorimok** trails need no booking and make a half-day. Put this day mid-trip so you have a weather backup. More detail is in our [Jeju highlights guide](https://clevertourists.com/resources/jeju-highlights-seongsan-ilchulbong-coastal-route-guide). ## Where Jeju fits in a wider Korea route On our [32-day route](https://clevertourists.com/resources/south-korea-itinerary-our-32-day-route-seoul-busan-jeju), Jeju was the far point of the loop: we arrived from Busan (4 days) and went on to Gyeongju. That means flying in and out of Busan's Gimhae airport, about an hour in the air, and then a 30-minute KTX from Busan to Gyeongju. From Seoul, the Gimpo to Jeju route is the busiest air route in the world by seats, so flights are frequent. On the island, red express buses 181 and 182 link Jeju City and Seogwipo around Hallasan, and the slow coastal buses 201 (east) and 202 (west) reach the beaches. Jeju's buses have been **cashless since October 2024**, so carry a T-money card. Our [10-day South Korea itinerary](https://clevertourists.com/resources/south-korea-itinerary-10-days) treats Jeju as a 2- to 3-day add-on after Busan. ## Why we split Jeju into two bases Jeju looks small on a map, but Hallasan sits in the middle, so every journey between north and south goes around or over it. Our two bases, 4 nights in Seogwipo and then 2 in Jeju City, matched the island's layout: the south coast first, then the north and east near the airport. • **Seogwipo** has three waterfalls within a short taxi ride, the harbour and the Maeil Olle Market on foot, and Olle routes 6 and 7 passing through town. • **Jeju City** has the airport, the most bus connections and the shortest ride to the east coast via bus 201 or the red express toward Seongsan. • **Seongsan** is the third option if the sunrise climb is a priority. If you are driving, one base works, and Seogwipo or Jungmun is the better choice for the south and west. Without a car, two bases cut the long cross-island rides, and the airport limousine buses run directly between the airport and Seogwipo. The order matters too. Ending in Jeju City puts you near the airport for the flight out, and it means the east-side sights, Seongsan Ilchulbong, Udo and Manjanggul, fall at the end of the stay, when you know which day has the clearest weather for the sunrise climb. Start in the south, where the waterfalls and the Olle trails are enjoyable even under cloud. ## When to go Spring (April and May, with canola fields in flower) and autumn (September to November, for clear coastal views) are the best seasons. Summer is warm but wet: the jangma rainy season reaches Jeju first, around **19 June** on long-run averages, and our dates in late June fell right on the 2023 onset. Seogwipo's waterfalls run heaviest then, under grey skies, and Hallasan closes in heavy rain. Winter is mild compared with the mainland, though Hallasan gets snow and the summit trails can close. ## Common mistakes • **One base for the whole island.** Without a car, staying only in Jeju City means long bus rides to the south coast and back. • **Showing up for Hallasan's summit without a reservation.** You will be turned away at the trailhead. • **Planning Seongsan's sunrise on the first Monday of the month.** It is closed. • **Carrying cash for the bus.** Jeju's buses no longer take it. ## Frequently asked questions ### Is 3 days in Jeju enough? Yes, for the east (Seongsan Ilchulbong and Udo), the south (Seogwipo's waterfalls) and either the west coast or Hallasan's shorter trails. Four days covers all of them. We spent 6. ### Should I stay in Jeju City or Seogwipo? Both, if you can. Seogwipo is best for the south coast and Olle trails, Jeju City for the airport and the east. We spent 4 nights in Seogwipo and 2 in Jeju City. ### Do you need a reservation to hike Hallasan? Only for the summit trails, Seongpanak and Gwaneumsa; the reservation is free. The Yeongsil and Eorimok trails need no booking. ### Can you see Jeju without a car? Yes. Red express buses 181 and 182 link Jeju City and Seogwipo, and coastal buses 201 and 202 reach the east and west. Buses are cashless, so carry a T-money card, and allow an extra day.