Gyaing River
Myanmar's net is a river of

Kayin State Kayin State ( my, ကရင်ပြည်နယ်, ; kjp, ဖၠုံခါန်ႋကၞင့်, italics=no; ksw, ကညီကီၢ်စဲၣ်, ), also known by the endonyms Kawthoolei and Karen State, is a state of Myanmar. The ...

and

Mon State Mon State ( my, မွန်ပြည်နယ်, ; mnw, တွဵုရးဍုင်မန်, italics=no) is an administrative division of Myanmar. It lies between Kayin State to the east, the Andaman Sea to the west, Bago Region to the ...

, in southeastern

Burma (Myanmar) Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John Wells explai ...

. Its two major

tributaries A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage b ...

, the

Hlaingbwe River Hlaingbwe ( Phlone ; mnw, လိုၚ်ဗၟဲ, ,; spelled "Loo pleh") is a town in Kayin State, Myanmar Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in Britis ...

and the

Haungtharaw River Haungtharaw River (Haungthayaw River) is a river of Kayin State, in southeastern Burma (Myanmar). It has its source in the Dawna Range and flows into the Gyaing River.Hunter, William Wilson (1881) ''The Imperial Gazetteer of India'
page 497
at ."Burma 1:250,000 topographic map, Series U542, Moulmein, NE 47-14"
U.S. Army Map Service, December 1959 It is about long and flows into the

Salween River , ''Mae Nam Salawin'' ( , name_etymology = , image = Sweet_View_of_Salween_River_in_Tang_Yan_Township,_Shan_State,_Myanmar.jpg , image_size = , image_caption = Salween River in Shan State, Myanmar , map ...

immediately above

Moulmein Mawlamyine (also spelled Mawlamyaing; , ; th, เมาะลำเลิง ; mnw, မတ်မလီု, ), formerly Moulmein, is the fourth-largest city in Myanmar (Burma), ''World Gazetteer'' south east of Yangon and south of Thaton, at th ...

, at (its mouth). The Gyaing is a wide river, but quite shallow with numerous sandbars. It is navigable by smaller boats all year long. Important towns and villages along its banks include Gadoe (Kado), Zathabyin (Zathabyeng), Kalagong, Kawbein, Peinnegon, Tarana"Tarana Map — Satellite Images of Tarana"
Maplandia World Gazetteer and Damathat (Dhammatha). The up-stream Gyaing forms part of the border between

Hpa-an District Hpa-An DistrictHpa-an District
citypopulation ( Kawkareik District Kawkareik District ( Phlone ; ; also called Dooplaya in Karen language) is a district of the Karen State in Myanmar. It consists of 4 towns; Kawkareik, the capital, Kyainseikgyi, Kyondoe, Payathonzu and Kyaikdon; and 552 villages. The population ...

of Kayin State, and downstream is the border between Kayin State and Mon State.

Notes

Further reading