Gorge of the Chuluut River

This is a list of notable rivers of Mongolia, arranged geographically by river basin.

The Mongolian words for river are gol (гол) and mörön (мөрөн), with the latter usually used for larger rivers. The Mongolian names also occasionally have a genitive construction, with the name of the river having the suffix -iin (-ийн) or -yn (-ын). For example, the Ider River's Mongolian name is Ideriin gol (Идэрийн гол), equivalent to saying "the river of Ider".

Longest rivers

Longest rivers of Mongolia
Rank River Length
km miles
1 Orkhon River 1,124698
2 Kherlen River 1,090680
3 Tuul River 704437
4 Zavkhan River 670420
5 Selenge River 593368
6 Hovd River 516321
7 Eg River 475295
8 Ider River 452281
9 Delgermörön 445277

Flowing into the Arctic Ocean

Selenge River
Ider River
Tuul River
Shishged River

Flowing into the Sea of Okhotsk (Pacific Ocean)

  • Amur River (Russia/China)
    • Shilka River (Russia)

Flowing into endorheic basins

Uvs Lake and basin

Rivers draining into endorheic Uvs Lake, forming the drainage of the Uvs Lake Basin

  • Teeliin gol, flowing out of Khar Lake
    • Chono Kharaikh gol, draining into Khar Lake