Hike from Duggingen to Oberdorf

Duggingen is a municipality in the district of Laufen in the canton of Basel-Country in Switzerland.

Baslerweiher (literally "Pond of Basel") is an artificial pond in Seewen, Canton of Solothurn, Switzerland. Its dam was built in 1870 to supply water to Basel.

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

Lake Seewen (German: Seewener See) is a former lake in Seewen, Canton of Solothurn, in Switzerland. It was drained in the late 16th century.The lake was formed 8000 years ago following a rockslide that ponded the village's brook behind it. It had a length of about 2 km when full. The name of the village, "Seewen" (Old High German for "at the lakes"), comes from its location near the lake.

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.

Seewen (Swiss German: Seebe) is a municipality in the district of Dorneck in the canton of Solothurn in Switzerland. Baslerweiher is a pond above the village.