Jeju Gamgyul Tea, also known as Hallabong Tea, is a popular beverage in Jeju Island. Hallabong is a type of citrus fruit that is unique to Jeju Island, known for its sweet and tangy flavor. In this tea, the hallabong fruit is juiced and mixed with hot water, creating a refreshing and aromatic drink. Jeju Gamgyul Tea is often enjoyed hot, especially during the colder months, and is a great way to experience the island's local flavors. It is also available in a cold version, perfect for quenching your thirst on a hot summer day.