The Lesum River is a small river located in northern Germany. It flows through the state of Bremen and is approximately 20 kilometers long. The river originates from the confluence of the Wümme and Oste rivers and eventually empties into the Weser River. The Lesum is known for its scenic beauty and is surrounded by lush greenery. It serves as a popular spot for recreational activities such as kayaking and fishing. The river also plays a role in the local ecosystem, supporting various species of fish and wildlife in the area.