The Bommer Weiher are a series of fish ponds near Alterswilen in the municipality of Kemmental, Canton of Thurgau, Switzerland. Their surface area is about 0.15 km2.
Wikipedia https://en.wikipedia.org/wiki/Bommer_Weiher
Address (Unnamed Road), 8573, Switzerland
Coordinates 47°37'4.584" N 9°9'13.041" E
