Tsereg River River in Mongolia This article does not cite any sources. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.Find sources: "Tsereg River" – news · newspapers · books · scholar · JSTOR (January 2021) (Learn how and when to remove this message) Tsereg River is a river of Mongolia. It is a tributary of the Tes River. This article related to a river in Mongolia is a stub. You can help Wikipedia by expanding it.vte