1806 wurde der See um etwa 1,7 Meter abgesenkt, wodurch viel Land gewonnen und die Gefahr von Überschwemmungen reduziert werden konnten. Seither wird die Seehöhe beim Abfluss der Sure (im Aargau Suhre) in Oberkirch künstlich reguliert.

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About this map

Name: Sempachersee topographic map, elevation, terrain.

Location: Sempachersee, Eich, Luzern, 6205, Schweiz (47.11790 8.12197 47.17385 8.19208)

Average elevation: 1,844 ft

Minimum elevation: 1,640 ft

Maximum elevation: 2,470 ft

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