The Aitugan River is a river located in the Siberian region of Russia. It is a tributary of the Kolyma River, which is one of the major rivers in the area. The Aitugan River flows through a remote and largely uninhabited landscape, characterized by dense forests and rugged terrain. The river plays a significant role in the local ecosystem, providing habitat for various species of fish and wildlife. It is also important for the indigenous communities in the region, who rely on its resources for fishing and transportation. The Aitugan River is a vital part of the natural environment in this part of Siberia.