'''Sungai Tumen''' atau '''Sungai Tuman''' adalah sungai dengan panjang 521 km, yang ikut berperan menjadi perbatasan antara [[Republik Rakyat Cina]], [[Korea Utara]], dan [[Rusia]]; berhulu di [[Gunung Baekdu]] dan mengalir hingga ke [[Laut Jepang]] (Laut Timur).
TheSungai riverini flows inmengalir northeastdi [[Asia]] bagian utara-timur, ondi theperbatasan border betweenantara [[ChinaRepublik Rakyat Cina|RRC]] anddan [[NorthKorea KoreaUtara]] indi itspangkal-pangkal upper reacheshulunya, anddan betweenantara [[NorthKorea KoreaUtara]] anddan [[RussiaRusia]] in its lastdi 17 kilometreskilometere (11terakhirnya miles)sebelum beforebermuara enteringdi the Sea ofLaut JapanJepang. TheSungai riverini formsmembentuk muchsebagian ofbesar theperbatasan southern border ofselatan [[JilinProvinsi ProvinceJilin]] indi [[Manchuria]] anddan theperbatasan northernutara borders of North Korea'sprovinsi [[NorthHamgyong HamgyongUtara]] anddan provinsi [[Yanggang]] provincesdi Korea Utara. [[Gunung Baekdu Mountain]] ondi theperbatasan ChineseCina-NorthKorea KoreanUtara borderadalah issumber the source of thesungai riverini,<ref name=times1006>[http://www.nytimes.com/2006/10/22/weekinreview/22marsh.html?_r=1&oref=login] Onishi, Norimitsu, "Tension, Desperation: The China-North Korean Border", [[October 22]], [[2006]]. Much of the information cited in this footnote comes from the captions to the large illustrated map published with the newspaper article and available online with it.</ref> asjuga well as of thesebagai [[Sungai Yalu River]].
TheNama namesungai ofini theberasal riverdari comessebuah from thekata [[Mongolianbahasa languageMongolia|MongolianMongolia]] word ''[[Tumen|tümen]]'', meaningyang berarti "hundredseratus thousandribu" oratau asatu [[myriad]]. ThisSungai riverini issangat badlydicemari pollutedoleh bypabrik-pabrik theyang nearbyada factoriesdi ofdekatnya [[Northdi Korea]]andUtara dan ChinaCina; howevernamun, itsungai stillini remainsmasih amenjadi majordaya touristtarik attractionyang inbesar thebagi areawisatawan di kawasan itu. InDi [[Tumen, Jilin]], ChinaCina, asebuah riverfrontlokasi promenadeberpesiar hasdi restaurantstepian wheresungai patronsmemiliki canrumah gazemakan acrossdi themana riverpara intopelanggan Northdapat memandang jauh melintasi sungai ke arah Korea Utara.<ref name=times1006/> RussianNama nameRusia ofsungai riverini isadalah ''Tumannaya'', literally meaningartinya ber''[[fogkabut]]gy''.
ImportantKota-kota citiespenting ondi thedekat riversungai areini adalah [[Hoeryong]], [[Namyang]], anddan [[Onsong]] in Northdi Korea Utara, [[Tumen, Jilin|Tumen]] anddan [[Nanping, Jilin|Nanping]] indi ChinaCina.
