Punatshangchu, also known as the Punatshangchu River, is a major river in Bhutan that flows through the central and western parts of the country, including the Punakha and Wangdue Phodrang districts. It is a significant tributary of the Brahmaputra River, originating from the northern highlands of Bhutan and traversing diverse landscapes before entering India. The river is not only a vital water resource for agriculture and hydropower generation but also holds cultural and ecological importance. It is home to several hydroelectric projects, including the Punatsangchhu I and II projects, which are key to Bhutan’s efforts to boost renewable energy production and contribute to the country’s economic development. Additionally, the Punatshangchu River’s scenic beauty and its surrounding valleys attract tourists, offering opportunities for eco-tourism and showcasing Bhutan’s natural landscapes.