Chillán River From Wikipedia the free encyclopedia 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: "Chillán River" – news · newspapers · books · scholar · JSTOR (March 2020) (Learn how and when to remove this message) Chillán River is a river in Ñuble Region in the southern portion of Central Chile. This article related to a river in Chile is a stub. You can help Wikipedia by expanding it.vte This Ñuble Region location article is a stub. You can help Wikipedia by expanding it.vte vteHydrography of Ñuble RegionRivers Cato Chillán Cobquecura Diguillín Itata Larqui Lonquén Los Sauces Niblinto Ñuble Renegado Perquilauquén Polcura Waterfalls Itata Lakes Avendaño Huemul