The Sissle (

Swiss German Swiss German (Standard German: , ,Because of the many different dialects, and because there is no #Conventions, defined orthography for any of them, many different spellings can be found. and others; ) is any of the Alemannic German, Alemannic ...

, ) is a long

river A river is a natural stream of fresh water that flows on land or inside Subterranean river, caves towards another body of water at a lower elevation, such as an ocean, lake, or another river. A river may run dry before reaching the end of ...

in the

Swiss Swiss most commonly refers to: * the adjectival form of Switzerland * Swiss people Swiss may also refer to: Places * Swiss, Missouri * Swiss, North Carolina * Swiss, West Virginia * Swiss, Wisconsin Other uses * Swiss Café, an old café located ...

canton of

Aargau Aargau ( ; ), more formally the Canton of Aargau (; ; ; ), is one of the Canton of Switzerland, 26 cantons forming the Switzerland, Swiss Confederation. It is composed of eleven districts and its capital is Aarau. Aargau is one of the most nort ...

in Switzerland. It is a tributary of the

Rhine The Rhine ( ) is one of the List of rivers of Europe, major rivers in Europe. The river begins in the Swiss canton of Graubünden in the southeastern Swiss Alps. It forms part of the Swiss-Liechtenstein border, then part of the Austria–Swit ...

and drains the eastern part of the

Fricktal The Fricktal ("Frick Valley") is a region on Northwestern Switzerland, comprising the Laufenburg and Rheinfelden districts of the Swiss canton of Aargau. The region was known as ''Frickgau'' in the medieval period, ultimately from a Late Lati ...

. The largest town on the river is Frick. The river rises in the municipalities of

Schinznach-Dorf Schinznach-Dorf is a former municipality in the district of Brugg in canton of Aargau in Switzerland. On 1 January 2014 the former municipalities of Schinznach-Dorf and Oberflachs merged into the new municipality of Schinznach.

and Thalheim at an elevation of above sea level on the southern slope of Mount Dreierberg and the northern slope of Mount Zeiher Homberg, in the

Jura Mountains The Jura Mountains ( ) are a sub-alpine mountain range a short distance north of the Western Alps and mainly demarcate a long part of the French–Swiss border. While the Jura range proper (" folded Jura", ) is located in France and Switzerla ...

. Shortly after the source, the river breaks through a

water gap A water gap is a gap that flowing water has carved through a mountain range or mountain ridge and that still carries water today. Such gaps that no longer carry water currents are called wind gaps. Water gaps and wind gaps often offer a pract ...

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 , the Sissle flows past

Effingen Effingen is a former municipalities of Switzerland, municipality in the district of Brugg (district), Brugg in Cantons of Switzerland, canton of Aargau in Switzerland. On 1 January 2022 the former municipalities of Bözen, Effingen, Elfingen and ...

railway station and the west portal of the

Bözberg railway tunnel Bözberg is a municipality in the district of Brugg in canton of Aargau in Switzerland. It ceased to exist in 1873, when it was split into the two new municipalities Oberbözberg and Unterbözberg. On 1 January 2013 the former municipalities of Ga ...

, at an elevation of about . 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 Hornussen is an indigenous Swiss sport played by two teams of 16 to 20 players which alternate in striking a puck known as a "Hornuss" (hornet) or "Nouss" and attempting to deflect it. When hit, the Hornuss can fly at up to 300 km/h (186.4 mp ...

and is then canalized until Eiken, where it changes direction from northwest to north, and enters the Rhine valley. It receives the left tributary Bruggbach, coming from

Wittnau Wittnau is a municipalities of Switzerland, municipality in the district of Laufenburg (district), Laufenburg in the Cantons of Switzerland, canton of Aargau in Switzerland. Geography Wittnau has an area, , of . Of this area, or 39.3% is used ...

. The last of the Sissle

meander A meander is one of a series of regular sinuous curves in the Channel (geography), channel of a river or other watercourse. It is produced as a watercourse erosion, erodes the sediments of an outer, concave bank (cut bank, cut bank or river cl ...

strongly. It ends at the village of Sisseln, where it flows into the

High Rhine High Rhine (, ; kilometres 0 to 167 of the Rhine) is the section of the Rhine between Lake Constance () and the city of Basel, flowing in a general east-to-west direction and forming mostly the Germany–Switzerland border. It is the first of fo ...

at an elevation of .

References

Rivers of Switzerland Rivers of Aargau {{Switzerland-river-stub

See also

References