Daryoi Onon

Onon, daryoest dar Respublikai Khalqii Mongoliya va viloyati Chitai Respublikai Sovetii Federativii Sotsialistii Rossiya. Bo daryoi Ingoda hamroh shuda daryoi Shilka (havzai Amur)-ro tashkil medihad. Tulash 1032 kilometr; masohati havzaash 96200 kilometr². Az kuhsori Khentey ogoz yofta, dar masofai ziyod dashti balandi hamvorro burida meguzarad.

Jazirahoi bisyore do­rad. Manbaash asosan barf. Sarfi ob dar nazdikii rezishgoh ba hisobi miyona 191 metr^e/soniya. Noyabr yakh basta, aprel yakhash ob meshavad. Shokhobho: az rost — Khupax-Gol, Borzya, Unda; az chap — Agusa, Kira, Aga. Baroi obyori va az ob tamin namudani korkhonahoi sanoati istifoda meshavad.