Argun (Amur)

Argun
Taken from Shiwei, Inner Mongolia, China. Russia is on the opposite side.
Etymology	Derived from Proto-Mongolic *ergene 'wide'
Native name	Эргүнэ (Mongolian) Эргэнэ (Buryat) 额尔古纳 (Chinese) Ергэне (Evenki) Аргунь (Russian)
Location
Country	China, Russia
Russian Krai	Zabaykalsky Krai
Chinese Region	Hulunbuir
Physical characteristics
Source	Hailar
• location	Greater Khingan mountains
• coordinates	49°56′13″N 122°27′54″E / 49.937°N 122.465°E / 49.937; 122.465
2nd source	Kherlen
• location	about 195 kilometres (121 mi) from Ulaanbaatar
• coordinates	48°N 109°E / 48°N 109°E / 48; 109
• elevation	1,961 m (6,434 ft)
Mouth	Amur
• coordinates	53°20′N 121°28′E / 53.333°N 121.467°E / 53.333; 121.467
Length	1,620 km (1,010 mi)
Basin size	164,000 km2 (63,000 sq mi)
Discharge
• average	340 m3/s (12,000 cu ft/s)
Basin features
Progression	Amur→ Sea of Okhotsk

Argun
Argun River in the Amur basin
Chinese name
Chinese	额尔古纳河
Transcriptions Standard Mandarin Hanyu Pinyin Érgǔnà hé
Mongolian name
Mongolian Cyrillic	Эргүнэ мөрөн
Transcriptions SASM/GNC Ergüne gol
Manchu name
Manchu script
Romanization	Ergune bira
Russian name
Russian	Аргунь

The Argun /ɑːrˈɡuːn/ or Ergune (Chinese: 额尔古纳河) is a 1,620-kilometre (1,010 mi) long river that forms part of the eastern China–Russia border, together with the Amur. Its upper reaches are known as the Hailar River (海拉尔河) in China. The Argun marks the border (established by the Treaty of Nerchinsk in 1689) between Russia and China for about 944 kilometres (587 mi), until it meets the Amur.