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.
Upper Grindelwald Glacier The Upper Grindelwald Glacier (German: "Oberer Grindelwaldgletscher") is one of the two valley glaciers near Grindelwald on the northern side of the Bernese Alps, in the Canton of Berne (the other being the Lower Grindelwald Glacier). It had a length of about 6.6 km and covered an area of 9.6 km2 in 1973.