The Cau Cau River is a river located in the Vietnam region, specifically in Thua Thien-Hue Province. It flows through lush landscapes and is known for its scenic beauty, making it a popular spot for both locals and tourists. The river is approximately 20 kilometers long and plays a vital role in the local ecosystem. The river is also significant for its cultural and economic contributions to the surrounding communities. It supports fishing activities and provides water for agriculture, helping sustain the livelihoods of many residents. The Cau Cau River is an essential natural resource in the area.