The Chi River is a significant waterway located in northeastern Thailand. It is the longest river in the region, stretching approximately 450 kilometers. The river flows through several provinces, including Khon Kaen and Nakhon Ratchasima, and is an essential source of water for agriculture and local communities. The Chi River is part of the larger Mekong River basin and plays a crucial role in the ecosystem. It supports various wildlife and provides irrigation for rice and other crops. The river also serves as a transportation route, connecting rural areas to urban centers in Thailand.