The Aabach is a small river that runs through 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 ...

cantons of

Lucerne Lucerne ( ) or Luzern ()Other languages: ; ; ; . is a city in central Switzerland, in the Languages of Switzerland, German-speaking portion of the country. Lucerne is the capital of the canton of Lucerne and part of the Lucerne (district), di ...

and

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 the

Aare The Aare () or Aar () is the main tributary of the High Rhine (its discharge even exceeds that of the latter at their confluence) and the longest river that both rises and ends entirely within Switzerland. Its total length from its source to i ...

catchment area. It flows from south to north through the valley called

Seetal The Seetal is a valley in the cantons of Canton of Lucerne, Lucerne and Aargau in Switzerland. The valley descends from south to north from near Eschenbach, Lucerne, Eschenbach (in the canton of Lucerne) to Lenzburg (in the canton of Aargau) ...

(lit.: ''Lake Valley'') and ends in the Aare.

Course

The Aabach has its origin in

Lake Baldegg __NOTOC__ Lake Baldegg () is a lake in the Canton of Lucerne, Switzerland. Its area is about 5.2 km2 and its maximum depth is 69 m. See also *List of lakes of Switzerland This article contains a sortable table listing all major lakes of ...

, which is fed by the

Ron Ron is a shortening of the name Ronald. Ron or RON may also refer to: Arts and media * Big Ron (''EastEnders''), a TV character * Ron (''King of Fighters''), a video game character *Ron Douglas, the protagonist in '' Lucky Stiff'' played by Joe ...

and a number of smaller streams. In the village of Mosen it empties into Lake Hallwil (the Hallwilersee). The Aabach leaves the lake between the villages of

Boniswil Boniswil is a municipality in the district of Lenzburg in the canton of Aargau in Switzerland. History Boniswil is first mentioned around 1217–22 as ''Bonoltswile''. The village was ruled by the Counts of Lenzburg, then the counts of Kybur ...

and

Seengen Seengen is a Municipalities of Switzerland, municipality in the district of Lenzburg (district), Lenzburg in the Cantons of Switzerland, canton of Aargau in Switzerland. Geography Seengen lies in the Seetal, Seetal valley to the north of Lake H ...

. Hallwyl Castle, one of the most important water-controlling ''castles'' in Switzerland, sits in the middle of the river on two artificial islands, about north of the northern end of the lake. On the southern outskirts of

Lenzburg Lenzburg is a town in the central region of the Switzerland, Swiss canton of Aargau and is the capital of the Lenzburg District. The town, founded in the Middle Ages, lies in the Seetal, Seetal valley, about 3 kilometres south of the Aare river. L ...

a tunnel takes much of the flow of the Aabach under the town to rejoin the river in

Niederlenz Niederlenz is a municipality in the district of Lenzburg in the canton of Aargau in Switzerland. History The center of the village comes from a middle Bronze Age settlement and a later Roman era farm. However, the modern village of Niederlenz ...

township. It was built as a relief tunnel to mitigate flooding in the town, which had been occasionally severe during the spring runoff. Further on, in the village of Wildegg, the Aabach finally joins the

, right after it was joined from the right by its major tributary, the Bünz, just about upstream.

Economy

Beginning in the second half of the 18th century, the Aabach provided

water-power Hydropower (from Ancient Greek -, "water"), also known as water power or water energy, is the use of falling or fast-running water to produce electricity or to power machines. This is achieved by converting the gravitational potential or ki ...

that ran

mills Mills is the plural form of mill, but may also refer to: As a name * Mills (surname), a common family name of English or Gaelic origin * Mills (given name) *Mills, a fictional British secret agent in a trilogy by writer Manning O'Brine Places U ...

that led to the creation of industry in the valley. these included the cotton-mill in Seon, the copper wire works in Wildegg, the

Hämmerli Hämmerli () is a formerly Swiss, now German manufacturer of air guns and firearms aimed mostly at target shooting, especially Olympic events governed by the International Shooting Sport Federation. In 2006, Hämmerli was acquired by Umarex; pro ...

arms factory in Lenzburg, and the Wisa-Gloria works in Lenzburg.

Notes

References

External links

* {{Commons category-inline Rivers of Switzerland Rivers of Aargau Rivers of the canton of Lucerne