Siglistorf is a municipality in the Swiss canton that is situated by the lower course of what river?
Aargau The canton of Aargau (German "Kanton"    ; sometimes anglicized Argovia; see also other names) is one of the more northerly cantons of Switzerland. It is situated by the lower course of the Aare, which is why the canton is called Aar-gau (meaning "Aare province"). It is one of the most densely populated regions of Switzerland.
Simmental Simmental is an alpine valley in the Bernese Oberland of Switzerland. It expands from Lenk to Boltigen, in a more or less south-north direction (Obersimmental), and from there to the valley exit at Wimmis near Spiez it takes a west-east orientation (Niedersimmental). It comprises the municipalities of Lenk, St. Stephan, Zweisimmen, Boltigen, Oberwil, Därstetten, Erlenbach, Diemtigen and Wimmis. The Simme flows through the valley.