Rau feem ntau, cov dej ntws ntawm Romania tau pib ntawm qhov nqes hav ntawm Carpathians thiab ib leeg kheej lossis dhau los ntawm lwm cov dej ntws mus rau hauv dej ntawm Danube.
Dej Maros
Tus dej ntws hla thaj tsam ntawm ob lub xeev - Romania thiab Hungary. Tag nrho qhov ntev ntawm tam sim no yog 803 kilometers. Maros yog ib sab laug ntawm tus dej Tisza. Muaj ntau lub nroog nyob ntawm ntug dej: Targu Mures, Alba Iulia, Arad.
Qhov chaw ntawm tus dej nyob hauv nruab nrab ntawm Romania (qhov chaw nqes hav ntawm Sab Hnub Tuaj Carpathians). Ib feem ntawm qhov tam sim no yog cov roob roob hav uas muaj dej nrawm. Tom qab nkag mus rau thaj tsam ntawm Central Danube Plain, qhov dej ntws khiav qeeb.
Kwv yees li 21 kilometers ntawm tus dej hla hla ciam teb ntuj cais Hungary thiab Romania. Maros channel yog navigable hauv nruab nrab thiab qis dua.
Prut dej
Prut yog tus dej, cov dej ntws hla hla thaj tsam ntawm peb lub xeev - Ukraine, Moldova thiab Romania. Nws yog ib sab laug ntawm Danube, nrog tag nrho ntev ntawm 953 kilometers. Qhov chaw ntawm tus dej nyob hauv Sab Hnub Tuaj Carpathians (thaj tsam Ivano-Frankivsk).
Visheu dej
Visheu hla dhau thaj av sab qaum teb ntawm Romania (thaj tsam keeb kwm ntawm Mapamures). Tus dej yog tus kav dej sab laug ntawm Tisza thiab hla dhau thaj tsam ntawm cov nroog hauv qab no: Borshu; Visheu de Sus; Visheu de Jos; Leordin; Petrova; Bistru; Valea Viseu (ntawm no Viseu ntws mus rau hauv dej Tisza).
Qhov chaw ntawm tus dej yog nyob rau sab qaum teb sab hnub tuaj ntawm Roob Rodna (qhov siab siab tshaj ntawm hiav txwv yog 1409 meters). Tag nrho qhov ntev ntawm cov channel yog 80 kilometers. Visheu tau txais dej ntawm ob tug dej - Vasér thiab Oroszi.
Arana tus dej
Tus dej hav dej hla thaj av sab hnub poob ntawm Romania thiab sab qaum teb ntawm Serbia. Arana yog sab laug ntawm Tisza. Txhais los ntawm Greek, lub npe dej tau txhais ua "dej daj".
Qhov chaw ntawm tus dej nyob ze ntawm lub zos Sekusijdu (Romania) hauv qhov dej nyab ntawm tus dej Maros. Thaum xub thawj, Arana ntws mus rau tus dej uas ua rau nws nce mus rau lub nroog Synnicolau-Mare), thiab tom qab ntawd tawm mus rau sab qab teb-sab hnub poob. Tus dej muaj lub txaj uas cua hlob heev.
Arana belongs rau Danube phiab. Nws yog navigable xwb 10 kilometers nce ntawm lub qhov ncauj. Thiab qhov tseem ceeb ntawm kev siv tus dej tus dej yog ywg dej hauv hav. Tsis deb ntawm lub zos Ostoichevo muaj pas dej nuv ntses zoo heev.
Tag nrho qhov ntev ntawm tam sim no yog 117 kilometers. "Faib" ntawm tus dej yog raws li hauv qab no: 41 kilometers yog Romania; 76 kilometers ntawm tus dej yog rau Serbia (thaj chaw tswj hwm ntawm Vojvodina).
Siret dej
Siret nyob ntawm thaj chaw ntawm ob lub tebchaws - Ukraine thiab Romania. Tag nrho qhov ntev ntawm tus dej yog 740 kis lus mev, ntawm uas 115 kis lus mev yog rau Ukraine, qhov seem ntawm cov chav kawm yog "qhia" ntawm Romania.
Siret yog ib qho ntawm cov kwj deg (sab laug) ntawm Danube. Qhov chaw ntawm tus dej yog nyob hauv Bukovina Carpathians, thiab qhov tseem ceeb ntawm txoj kev kawm dhau los ntawm Moldavian Upland.