The Duman River is a significant waterway located in northeastern Turkey. It flows through the provinces of Kars and Ardahan, eventually joining the Çoruh River. The river is known for its picturesque landscapes and is surrounded by lush forests and mountainous terrain. The Duman River is approximately 100 kilometers long and plays an essential role in the local ecosystem. It supports various wildlife and provides water for agriculture in the region. The river is also a popular spot for outdoor activities such as fishing and hiking, attracting both locals and tourists.