Trollhättan Falls

The Trollhättan Falls are waterfalls of the Göta älv in the city of Trollhättan, Västra Götaland County Province in Sweden.

The non-regulated state, they ranged from the Malgöbrücke to a valley becomes narrower called Olidan and led 900 cubic meters of water per second. The lowermost portion was known as " Hell case ". The difference in height is 32 meters and is therefore the majority of the drop height of the Göta älv between Vänern and Kattegat, which is 44 meters.

Today, the water is passed only on special occasions in this way, either to regulate the water level of Lake Vänern or as a tourist attraction, the amount of water is about 300 cubic meters per second. The water is then passed through four contactors that are opened one by one. During the months of May, June and September, the place once a week instead, in July and August every day. Otherwise, the largest amount of water in the two east of the river nearby hydropower plants is used Hojum and Olidan for power production.

Earlier, the power of the river by small settled on the eastern riverside farms was used. Over the centuries, the falls of Trollhättan visitors from far and wide have thrilled and the spectacle has been described among others by Esaias Tegnér and Carl Linnaeus. The hydropower plant Trollhättan is the origin of the company Vattenfall.