Sempach is a municipality of the district of Sursee in the canton of Lucerne in Switzerland.
It is the site of the Sempach Bird Observatory.
It is on Lake Sempach.
Steinibühlweiher is located above the town.
Sempach is a municipality of the district of Sursee in the canton of Lucerne in Switzerland.
It is the site of the Sempach Bird Observatory.
It is on Lake Sempach.
Steinibühlweiher is located above the town.