Doryeon Tangerine Forest, where you can experience tangerine picking, is open 4 times a day (Part 1 10:00~11:30, Part 2 11:30~13:00, It operates from 14:00 to 15:30 (Part 3) and 15:30 to 17:00 (Part 4). Along with online reservations, you can also pay directly on site. There are different types of fruits depending on the season. You can experience picking green tangerines from August to September, tangerines from October to January, and hallabongs from February to March. Fruit availability varies depending on the weather, so if there is an experience you want, it is best to check by phone in advance before visiting. Before the experience, a brief explanation is provided on how to find and pick delicious tangerines. After the citrus picking experience, you can enjoy tasting to your heart's content in a designated area, and the amount you can take is 1kg. It is 20 minutes away from the airport, so you can stop by here as the last stop of your trip to Jeju Island.