The Djetinja River is a river located in Serbia, flowing through the western part of the country. It is a tributary of the West Morava River and is approximately 50 kilometers long. The river is known for its clear waters and scenic surroundings, making it an important natural feature in the region. The Djetinja River passes through several towns, including Valjevo, where it contributes to the local ecosystem and economy. The river's basin supports diverse flora and fauna, providing habitats for various species. It also plays a role in recreational activities, such as fishing and hiking along its banks.