Kienberg, Switzerland

The Geissfluegrat is a minor summit east of the Geissflue, in the eastern Jura Mountains. It is located between the Swiss cantons of Aargau and Solothurn. With an elevation of 908 metres above sea level, the Geissfluegrat is the highest point in Aargau. It is also the easternmost summit above 900 metres in the Jura Mountains.

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.

The Geissflue is a hill of the eastern Jura Mountains, located between the Swiss cantons of Basel-Landschaft and Solothurn. The border with the canton of Aargau runs east of the summit on the Geissfluegrat. The Geissflue has an elevation of 962 metres above sea level. It is the easternmost summit above 900 metres in the Jura Mountains.

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

Anwil is a municipality in the district of Sissach in the canton of Basel-Country in Switzerland.

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

Rohr (German pronunciation: [ʁoːɐ̯] ) is a former municipality in the district of Gösgen in the canton of Solothurn in Switzerland. On 1 January 2021 the former municipality of Rohr merged into Stüsslingen.

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

Oltingen is a municipality in the district of Sissach in the canton of Basel-Country in Switzerland.

Alt Homberg Castle is a ruined castle in the municipality of Wittnau in the canton of Aargau in Switzerland. The castle is classified as a Swiss heritage site of national significance.

Stüsslingen is a municipality in the district of Gösgen in the canton of Solothurn in Switzerland. On 1 January 2021 the former municipality of Rohr merged into Stüsslingen.

Rothenfluh is a municipality in the district of Sissach in the canton of Basel-Country in Switzerland.