The Cerna River is a tributary of the Danube River located in Romania. It flows through the scenic Cerna Valley, known for its natural beauty and mineral springs. The river is approximately 80 kilometers long and is an important water source for the surrounding communities. The Cerna River is also notable for its rich biodiversity, supporting various fish species and aquatic life. It is a popular destination for outdoor activities such as fishing, hiking, and nature photography, attracting both locals and tourists to its picturesque landscapes.