Crater lake on top of Hallasan Mountain

Jeju Island – South Korea’s Hidden Gem

Top 4 must-sees on Jeju Island in South Korea

Most of us know Seoul and other metropolitan cities in South Korea, but many don’t know about the hidden gem, Jeju Island. It has been the country’s favorite domestic holiday destination for years now and it is only an hour’s flight from Seoul. It has Korea’s highest mountain, lava tubes, women divers and a lot more to offer.

A waterfall surrounded by green trees on an island in Korea. There are lots of waterfalls on the Jeju Island, this waterfall (Cheonjiyeon) is one of the popular ones. Photo by Rexluna / CC BY

Jeju is a volcanic island only an hour’s flight from Seoul. Jeju is 73 kilometers long and 31 kilometers wide so it is possible to go around the whole island in just couple of days. We would recommend having more time though, as there are many attractions that take a lot of time to explore properly. Many tourists go straight to the southern parts of the island from the airport as most of the attractions are easy to reach from there. The cheapest way to explore the island is to do it using public transportation which mainly consists of buses. It is also possible to rent a car, with or without a driver, or book a guided tour.


A crater with a lake and snow in it during winter on the Jeju Island. Hallasan is a shield volcano that has a beautiful crater lake on the top of it. Photo by Sanga979 / CC BY

The island is dominated by Hallasan: the tallest mountain of South Korea which is also the most visited attraction in Jeju. On the top of the mountain, you can find a beautiful crater lake. There are several hiking routes with different lengths and difficulties up the mountain. Two of the trails take you to the top of the mountain to 1 950 meters above the sea level. The hike itself is not that difficult as the trails are well maintained but the changing weather conditions may complicate it.

Sunrise Peak

For many tourists, visiting the Sunrise Peak is the highlight of their trip to Jeju. As the name says, it is an especially popular place to be during sunrise in the early morning. Before heading to the top, you should check the weather forecast because when it’s foggy, the view won’t be as impressive and it might be cold at the top as it is 180 meters above sea level! The walk is relatively easy and the trails are well maintained. If you want to be on the top when the sun rises you should spend the night in Seongsan-ri, a quiet village next to the Sunrise Peak.

Udo Island

A cliff on the Jeju Island consisting of black rocks in Korea. Both Jeju and Udo are famous for their black stones and black beaches. Photo by HanshinLyon / CC BY

From Jeju you can do a day trip to its neighboring island called Udo. The ferry ride doesn’t take long and the island itself is very small, therefore it is easy to explore it in just a couple of hours. Udo is a lot similar to Jeju, but it is not as crowded and touristy. It is known for black sand, stone tombs and especially for its women divers. There are bus tours available in Udo but as the island is so small we recommend renting a bike to explore it independently.

You might also be interested in: Top 6 Places for Cherry Blossom in Korea


A female diver in a diving suit is picking something at a rocky beach at the Jeju Islands. Women divers start training when they are just kids and some of them dive even when they are over 80 years old. Photo by Dtteom / CC BY

One of the most interesting things Jeju and Udo are known for are the women divers “Haenyeo”. They have been diving without any breathing equipment for hundreds of years to catch seafood from the bottom of the sea. They can dive up to 30 meters and stay under water for several minutes. In the beginning, they could stay in the water for only couple of hours per day, but nowadays with wetsuits, they are able to dive up to 8 hours per day. There used to be over 20 000 women divers in Jeju, but the number have dropped rapidly, and the prediction is that the current generation of sea divers might be the last one.

Traveling to the Jeju Island on your weekend is easy when you’re studying in fascinating South Korea!

Find out more about studying abroad in Korea

Asia Exchange is a Finnish company providing study abroad opportunities in Asia Pacific for students from all around the world. Want to get travel tips and new blog posts straight to your inbox? Subscribe to our monthly newsletter! If you have any questions about studying abroad, feel free to contact us! We’ll get back to you as soon as possible.

This article was written by Kalle.


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