Gan River or Gan He is a tributary of the

Nen River The Nen River or Nenjiang (), or Nonni () is a river in Northeast China. The Nen River flows through the northern part of Heilongjiang Province and the northeastern section of Inner Mongolia, some parts of the river forming the border between the ...

in Inner Mongolia, China. It flows 446 km from the east flank of the

Greater Khingan The Greater Khingan Range or Da Hinggan Range (; IPA: ), is a -long volcanic mountain range in the Inner Mongolia region of Northeast China. It was originally called the Xianbei Mountains, which later became the name of the northern branch of ...

Range into the

at Nenjiang, through the Morin Dawa Daur and the

Oroqin Autonomous Banner Oroqen Autonomous Banner ( Mongolian: , ''Orčon-u öbertegen jasaqu qosiɣu'', Mongolian Cyrillic: Орчон өөртөө засах хошуу; Simplified Chinese: 鄂伦春自治旗, Pinyin: ''Èlúnchūn Zìzhìqí'') is an autonomous ba ...

of the vast

Hulunbuir Hulunbuir or Hulun Buir ( mn, , ''Kölün buyir'', Mongolian Cyrillic: Хөлөнбуйр, ''Khölönbuir''; zh, s=呼伦贝尔, ''Hūlúnbèi'ěr'') is a region that is governed as a prefecture-level city in northeastern Inner Mongolia, China ...

Municipality.Chinese
"养育鲜卑族祖先的甘河"
Accessed 2011-07-09 It drains an area of over 20,000 km² of mostly hills and plains. The Gan River basin is traditionally home to semi-nomadic Daur and Oroqen people.

References

{{coord missing, Inner Mongolia Rivers of Inner Mongolia Songhua River