Pilsupe river

Pilsupe river (Kaļķupe river) is a river in North Kurzeme, Talsi municipality. It flows from Kalķupe ponds in Dundaga parish. It flows into the Gulf of Riga near Pūrciems.

The source is from Kalķupe ponds
The name in the upstream is Kalķupe
Mouth – the Gulf of Riga
Basin countries – Latvia
Length – 22 km