The Ploučnice River is a river located in the Czech Republic. It flows through the northern part of the country, primarily in the Liberec Region. The river is approximately 80 kilometers long and is a tributary of the Elbe River, contributing to the region's water system. The Ploučnice River is known for its scenic beauty, with lush landscapes and diverse wildlife along its banks. It passes through several towns, including Česká Lípa, and offers recreational opportunities such as fishing and hiking for locals and visitors alike.