Sissle

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Sissle
Origin South slope of Mount Dreierberg, Schinznach-Dorf
Mouth

Confluence with High Rhine at Sisseln,

47°33′15″N 7°58′54″E / 47.55417°N 7.98167°E / 47.55417; 7.98167Coordinates: 47°33′15″N 7°58′54″E / 47.55417°N 7.98167°E / 47.55417; 7.98167
Progression RhineNorth Sea
Basin countries Switzerland
Location Laufenburg District, Aargau
Length 16 km (9.9 mi)
Source elevation 650 m (2,130 ft)
Mouth elevation 290 m (950 ft)
River system Rhine

The Sissle is a 16-kilometre long river in the Swiss canton of Aargau in Switzerland. It is a tributary of the Rhine and drains the eastern part of the Fricktal. The largest town on the river is Frick.

The river rises in the municipalities of Schinznach-Dorf and Thalheim at an altitude of 650 m above the sea on the southern slope of Mount Dreierberg and the northern slope of Mount Zeiher Homberg, in the Jura Mountains. Shortly after the source, the river breaks through a water gap between the Dreierberg mountain and the Zeiher Homberg and then falls off rapidly. It passed the Talmatt and delimits the district Iberg of the municipality of Zeihen. After about two and a half km, the Sissle flows past Effingen railway station and the west portal of the Bözberg Tunnel, at a height of about 450 m. The river had to be canalized here when the railway was constructed.

From here on, the landscape is fairly flat and the river follows the A3 motorway. It flows freely until Hornussen and is then canalized until Eiken, where it changes direction from northwest to north, and enters the Rhine valley. It takes up the left tributary Bruggbach, coming from Wittnau. The last 2.5 km of the Sissle meander strongly. It ends at the village of Sisseln, where it flows into the High Rhine at an altitude of 290 meters.


This article incorporates information from the equivalent article on the German Wikipedia.