The Rhine Falls is a waterfall located in Switzerland and the most powerful waterfall in Europe. The falls are located on the High Rhine on the border between the cantons of Schaffhausen and Zürich, between the municipalities of Neuhausen am Rheinfall and Laufen-Uhwiesen/Dachsen, next to the town of Schaffhausen in northern Switzerland.
They are 150 metres wide and 23 metres high. In the winter months, the average water flow is 250 m³/s, while in the summer, the average water flow is 600 m³/s. The highest flow ever measured was 1,250 cubic metres per second in 1965; and the lowest, 95 cubic metres per second in 1921. The falls cannot be climbed by fish, except by eels that are able to worm their way up over the rocks.