The Lauchsee is a large moor lake, 2.3 hectares in area, in the Tyrolean district of Kitzbühel. It lies on the territory of the municipality of Fieberbrunn above the Pletzerbach at an elevation of 859 m above sea level (AA). The lake has two small islands and its maximum depth is 4.3 metres. There is a swimming baths on the Lauchsee called the Moorbad Lauchsee.

• Water quality report at www.tirol.gv.at (in German)