and Stein am Rhein, the High Rhine has yet to be dammed. The first power plant of the Rhine is currently at Schaffhausen; it has a damming effect to slightly above Diessenhofen. The next power plant (the Kraftwerk Reckingen) is located at Rekingen and Küssaberg. After Rekingen, the High Rhine flows freely through the Koblenz Rapids to the confluence with the Aare. The next hydropower plant (the Kraftwerk Albbruck-Dogern), is at Leibstadt and Dogern. There are seven more power plant between here and Basel. Altogether, the High Rhine has eleven dams and twelve hydropower plants (there are two plants at the Augst/Wyhlen Dam. Geography Towns Some parts of the High Rhine valley are fairly wide; others are more gorge-like. The population density varies accordingly. Prominent towns on the High Rhine include Stein am Rhein, Schaffhausen, Neuhausen am Rheinfall, Waldshut, Laufenburg, Bad Säckingen, Rheinfelden and Basel. The most important organizations for cross-border cooperation on the High Rhine are High Rhine Commission and High Rhine Agency. Tributaries Larger tributaries of the High Rhine are Biber, Thur, Töss, Glatt, Wutach, Aare, Alb, Murg, Sissle, Wehra, Ergolz and Birs. The Aare with has a larger discharge than the Rhine with . From hydrological point of view, therefore, the Rhine is a tributary of the Aare, not vice versa. The Rhine is, however, generally considered the main stream, because it is slightly longer than the Aare. Areas Numerous areas along the High Rhine are currently, or were historically considered important. From west to east, they are Dinkelberg, Augstgau, Fricktal, Tabel Jura, Albgau, Aargau, Hotzenwald, Klettgau, Zurzibiet, Zürichgau and Thurgau. Authorities on the Baden-Württemberg side of the river are organized in a framework called Regionalverband Hochrhein-Bodensee ("Regional cooperation High Rhine — Lake Constance"). See also High Rhine Railway References Andreas Gruschke: Der Hochrhein. Eine alemannische Flusslandschaft. Schillinger, Freiburg im Breisgau, 1995, Footnotes External links Rhine Falls homepage Photographs of the Rhine Falls Spanish guide High Rhine:Pictures High Rhine Commission and High Rhine Agency Rhine, High Rhine, High Regions of Baden-Württemberg Rivers of the canton of St. Gallen Rivers of Thurgau Rivers of Germany