Wasserflue

Benkerjoch Pass (el. 674 m) is a mountain pass in the canton of Aargau in Switzerland. It connects Küttigen and Oberhof. Until 1801, the pass was the boundary between Austria and Switzerland. The current pass road was built in 1977. A postal bus route runs over the pass to Aarau.

Oberhof is a municipality in the district of Laufenburg in the canton of Aargau in Switzerland.

Erlinsbach is a municipality in the district of Aarau of the canton of Aargau in Switzerland.

Küttigen is a municipality in the district of Aarau of the canton of Aargau in Switzerland.

Densbüren is a municipality in the Aarau District of the canton of Aargau in Switzerland.

Salhöhe Pass (el. 779 m.) is a mountain pass in the Jura Mountains of Switzerland between Kienberg in the canton of Solothurn and Erlinsbach in the canton of Aargau. It connects Kienberg in Solothurn and Erlinsbach in Aargau. The pass road has a maximum grade of 9 percent. Although it is the shortest route between Aarau and Basel, traffic over the pass is moderate. After the Bern citizens had conquered the Unteraargau region in 1415, Salhöhe marked the border between the Old Swiss Confederacy and the Further Austrian possessions of the Habsburg dynasty.

Erlinsbach is a municipality in the district of Gösgen in the canton of Solothurn in Switzerland. It was formed from the union on January 1, 2006 of Niedererlinsbach and Obererlinsbach (both were in SO and AG).

Staffelegg Pass (el. 621 m.) is a mountain pass in the canton of Aargau in Switzerland. It connects Küttigen and Asp. The postal bus route from Frick to Aarau goes over the pass, and there is a restaurant at the summit.

Wölflinswil is a municipality in the district of Laufenburg in the canton of Aargau in Switzerland.

Aarau (Swiss Standard German: [ˈaːraʊ], Alemannic German pronunciation: [ˈɑːræu̯]) is a town, a municipality, and the capital of the northern Swiss canton of Aargau. The town is also the capital of the district of Aarau. It is German-speaking and predominantly Protestant. Aarau is situated on the Swiss plateau, in the valley of the Aare, on the river's right bank, and at the southern foot of the Jura Mountains, and is west of Zürich, 58 kilometres (36 mi) south of Basel and 65 kilometres (40 mi) northeast of Bern. The municipality borders directly on the canton of Solothurn to the west. It is the largest town in Aargau. At the beginning of 2010 Rohr became a district of Aarau.The official language of Aarau is (the Swiss variety of Standard) German, but the main spoken language is the local variant of the Alemannic Swiss German dialect.

The Aargauer Kunsthaus (English: Aargau Art House) is a Swiss art museum founded in 1959, and located in Aarau. The museum collection includes Swiss art from the 18th century to the present day; and Naturama, a natural history collection.

Aargauische Kantonalbank is a cantonal bank based in the canton of Aargau, Switzerland. Its head office is situated at Aarau (AG). Founded in 1913, Aargau Cantonal Bank in 2021 had 832 employees and 32 offices in Switzerland, total assets were 31 777.48 mln CHF.