The Yí River is a significant waterway located in China. It flows through the Yunnan province and is known for its picturesque landscapes and rich biodiversity. The river is approximately 1,000 kilometers long and serves as an important resource for local communities, providing water for agriculture and daily use. The Yí River is also a tributary of the larger Yangtze River, contributing to its vast watershed. The river's basin supports various ecosystems and wildlife, making it a vital area for conservation efforts. Its cultural significance is reflected in the traditions and lifestyles of the indigenous peoples living along its banks.