테주 강, or the Teju River, is a significant waterway located in South Korea. It flows through the city of Jeju, which is known for its beautiful landscapes and volcanic features. The river is an important natural resource for the region, providing water for agriculture and supporting local ecosystems. The Teju River is also a popular spot for recreational activities such as fishing and kayaking. Its scenic surroundings attract both locals and tourists, making it a vital part of the area's cultural and environmental heritage. The river contributes to the overall charm of Jeju Island, enhancing its appeal as a travel destination.