Big Kumak River

General data
- Name: Big Kumak River
- Water system: Ural
- Water type: River
- Progression: Ural -> Caspian Sea -> Planet Earth
- Climates: Continental
- Continents: Europe, Asia
- Countries: Russia
Description
Bol’shoy Kumak (Big Kumak) River is River in Orenburg Oblast, Russia. It is a left tributary of the Ural River. It flows generally westwards. The riverbed is sandy‑clayey; it is covered with vegetation; the width of the bed varies between about 5 to 40 metres.