Langnau bei Reiden
Langnau bei Reiden is a village and former municipality of the district of Willisau in the canton of Lucerne in Switzerland.
On 1 January 2006 the former municipalities of Langnau bei Reiden and Richenthal merged into the municipality of Reiden.
Coordinates: 47°13′N 7°57′E / 47.217°N 7.950°E