Nidelva is a river located in Norway, flowing through the city of Trondheim. It stretches approximately 10 kilometers and is known for its scenic beauty, with picturesque views along its banks. The river plays a significant role in the local ecosystem and has historical importance for the region. The river's source is in the Bymarka area, where it begins as a small stream and gradually widens as it flows through the city. Nidelva is also popular for recreational activities, including fishing and kayaking, attracting both locals and tourists who enjoy its natural surroundings.