The Nidelva River is located in Norway, flowing through the city of Trondheim. It is approximately 10 kilometers long and is known for its scenic beauty and historical significance. The river originates from the Nidelv lake and eventually empties into the Trondheimsfjord. The Nidelva River has played a crucial role in the development of Trondheim, serving as a transportation route and a source of power for various industries. The river is also popular for recreational activities, including kayaking and fishing, attracting both locals and tourists to its picturesque banks.