Mümliswil-Ramiswil

Neu-Falkenstein Castle is a castle in the municipality of Balsthal of the Canton of Solothurn in Switzerland. It is a Swiss heritage site of national significance.

Balsthal is a municipality in the district of Thal in the canton of Solothurn in Switzerland.

Thal District is one of the ten districts of the canton of Solothurn in Switzerland, situated in the centre of the canton. Together with the Gäu District, it forms the Amtei (electoral district) of Thal-Gäu. It has a population of 14,752 (as of 31 December 2020).

The Vogelberg (also known as Passwang; 1,204.1 m) is a mountain of the Jura, located north of Mümliswil in the Swiss canton of Solothurn. It lies east of the Passwang Pass. The border with the canton of Basel-Landschaft runs north of the mountain. The Vogelberg is the easternmost summit above 1,200 metres in the Jura Mountains.

Neu Bechburg Castle is a castle in the municipality of Oensingen of the Canton of Solothurn in Switzerland. It is a Swiss heritage site of national significance.

The Hinteri Egg is a mountain of the Jura, located south of Reigoldswil in the Swiss canton of Basel-Landschaft, close to the border with the canton of Solothurn. The Hinteri Egg reaches a height of 1,169 metres above sea level and is the highest point of the canton of Basel-Landschaft.

Gäu District is one of the ten districts of the canton of Solothurn in Switzerland, situated in the centre of the canton. It has a population of 22,005 (as of 31 December 2020). Together with Thal District, it forms the Amtei (electoral district) of Thal-Gäu.

Oensingen railway station (German: Bahnhof Oensingen) is a railway station in the municipality of Oensingen, in the Swiss canton of Solothurn. The station is a keilbahnhof. It is located at the junction of the standard gauge Jura Foot line of Swiss Federal Railways and Oensingen–Balsthal line of Oensingen-Balsthal-Bahn. It is also a terminus of the 1,000 mm (3 ft 3+3⁄8 in) gauge Langenthal–Oensingen line of Aare Seeland mobil.

Holderbank is a municipality in the district of Thal in the canton of Solothurn in Switzerland.

Passwang Pass (elevation 1,204 m (3,950 ft)) is a high mountain pass in the Jura Mountains in the canton of Solothurn in Switzerland. It connects the southern part of the canton of Solothurn via Mümliswil-Ramiswil (south of the pass) and Beinwil, Solothurn (northern side) with the so-called Schwarzbubenland (officially Amtei Dorneck-Thierstein, consisting of the canton of Solothurn districts Thierstein and Dorneck) north of the Passwang mountain chain, and ultimately with the Laufen District in the canton of Basel-Landschaft.

Laupersdorf is a municipality in the district of Thal in the canton of Solothurn in Switzerland.

Lauwil is a municipality in the district of Waldenburg in the canton of Basel-Country in Switzerland.