The Rheinturm Düsseldorf is a 240.5 metre high concrete telecommunications tower in Düsseldorf, Germany, capital of the federal state (Bundesland) of North Rhine-Westphalia. Construction commenced in 1979 and finished in 1981. The Rheinturm carries aerials for directional radio, FM and TV transmitters. It stands 174.5 metres high and houses a revolving restaurant and an observation deck at a height of 170 metres. It is the tallest building in Düsseldorf.
The Rheinturm was inaugurated on December 1, 1981. It contains 7,500 cubic metres of concrete and weighs 22,500 tons. Before October 15, 2004, when an aerial antenna for DVB-T was mounted, it was 234.2 metres high.
As a special attraction, there is a light sculpture on its shaft which works as a clock. This sculpture was designed by Horst H. Baumann and is called Шаблон:Lang (light time level). The light sculpture on the Rheinturm is the biggest digital clock in the world.
