Isumi River
The 883rd longest river in the world
The Isumi River (Isumigawa) is a river in Chiba Prefecture, Japan. It is 68 kilometers (42 mi) in length and has a drainage area of 299 square kilometers (115 sq mi). Under the Rivers Act of 1906 the Isumi is designated as a Class 2 River. Additionally, the government has designated the Isumi River a national-level Natural Monument (tennen kinenbutsu).
Flows through: Japan.
River data from Wikidata (CC0); lengths normalised to a common unit.