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.
Ilfis (river) The Ilfis (in the local dialect: [(d̥) ˈʏu̯fiz̥/ˈɪu̯fiz̥ ]) is a Swiss river in the Cantons of Bern and Lucerne. It runs through the Entlebuch and upper Emmental regions before joining the Emme river.