The Waldnaab is a river located in the northeastern part of Bavaria, Germany. It flows through the scenic region of the Upper Palatinate and is a tributary of the Naab River. The river is approximately 50 kilometers long and is known for its clear waters and picturesque landscapes, making it a popular spot for outdoor activities such as hiking and fishing. The Waldnaab originates near the town of Falkenberg and meanders through several small towns and villages, including Weiden in der Oberpfalz. The river's banks are lined with lush forests and diverse wildlife, contributing to the area's natural beauty and ecological significance.