"Sempachersee"@en . . . "Lake Sempach"@en . "44.0"^^ . . . "503.77"^^ . . "Lake Sempach (German: Sempachersee) is a lake in the Canton of Lucerne, Switzerland. Its area is about 14.5 km\u00B2 and its maximum depth is 87 m.A 50 metre-large island named Gamma Insel is located east of Sursee."@en . . . . "1.45e+07"^^ . . . "6.6e+08"^^ . . "87.0"^^ . . .