Haolai River
The 883rd longest river in the world
The Haolai River is a narrow natural river located on the Inner Mongolia Plateau in northern China. Often referred to as the "narrowest river in the world", it stretches approximately 17 kilometres (11 mi) in length. Its average width of 15 centimetres (5.9 in) can be crossed with a single step. The river is 4 centimetres (1.6 in) wide at its narrowest point. The river meets all criteria for classification as a river.
Flows through: People's Republic of China.
River data from Wikidata (CC0); lengths normalised to a common unit.