The Pur is formed at the confluence of the
Pyakupur and
Ayvasedapur rivers, which have their sources in the northern slopes of the
Siberian Uvaly. It flows roughly northwards across the northern
West Siberian Plain,
meandering strongly. In its lower course its channel divided into branches.
Purovsky District is named after the river. Just a few miles west of the mouth of the
Taz, the Pur flows into the
Taz Estuary, which is connected through the
Gulf of Ob with the
Kara Sea. The river freezes up in November and stays icebound until May. ==See also==