This is a list of tributaries of the Danube by order of entrance.
The Danube is Europe's second-longest river, with a length of , and a drainage basin of . It starts in the Black Forest in Germany as two smaller rivers—the Brigach and the Breg—which join at Donaueschingen, after which it is known as the Danube.
From there it flows generally eastwards through—or forming a part of the borders of—Austria, Slovakia, Hungary, Croatia, Serbia, Bulgaria, Romania, Moldova, and Ukraine, before emptying into the Black Sea via the Danube Delta in Romania. Its drainage basin includes parts of nine more countries: Poland, Switzerland, Italy, Czech Republic, Slovenia, Bosnia and Herzegovina, Montenegro, North Macedonia and Albania.
River Entering the Danube at Distance from mouth (Sulina) (km) Side of theentrance Length (km) Breg (right main headwater) Donaueschingen 2810 right 46 Brigach (left main headwater) Donaueschingen 2810 left 43 Lauchert Sigmaringendorf left 56 Riss Rißtissen right 50 Rot Dellmensingen right 54 Iller Ulm right 147 Roth Oberfahlheim right 55 Günz Günzburg right 55 Mindel Gundremmingen right 78 Brenz Lauingen left 55 Wörnitz Donauwörth 2509 left 132 Zusam Donauwörth 2508 right 97 Schmutter Donauwörth 2508 right 96 Lech Marxheim (near Donauwörth) right 264 Friedberger Ach Unterhausen right 100 Paar near Vohburg 2443 right 134 Abens near Neustadt (Donau) right 53 Altmühl Kelheim 2414.68 left 23 Hopfenbach Kelheim 2410.67 right Schwarze Laber Sinzing 2387.9 left 77 Naab Regensburg 2385.3 left 165 Regen Regensburg 2379.24 left 165 Sulzbach Donaustauf 2367.5 left Otterbach Donaustauf 2367.6 left 22.5 Pfatter Pfatter 2349.31 right 33 Wiesent Niederachdorf 2346.43 left 25 Große Laber near Straubing 2329.51 right 74 Aiterach Straubing right 39 Kinsach Bogen 2309 left 38.5 Isar near Deggendorf 2281.71 right 286 Hengersberger Ohe Winzer 2264.21 left 34 Vils Vilshofen 2248.63 right 69 Gaißa Passau-Schalding 2233.85 left Ilz Passau 2225.43 left 37 Inn Passau 2225.2 right 517 Satzbach Thyrnau 2221.3 left Kößlbach Freinberg 2218.0 right Erlau Erlau 2215.15 left Dandlbach Neustift im Mühlkreis 2201.77 left Ranna Niederranna 2196.04 left Kleiner Kösslbach Niederranna 2194.55 right Kleine Mühl Kirchberg ob der Donau 2177.85 left 36 Große Mühl Untermühl 2168.0 left 70 Innbach Wilhering right 53 Rodl Ottensheim 2144.83 left Bleicherbach Ottensheim 2143.35 left Traun near Linz 2124.73 right 153 Ipfbach Asten 2116.98 right Gusen Mauthausen 2113.6 left Enns Mauthausen 2111.828 right 254 Aist Naarn im Machlande 2108.5 left Ysper Isperdorf 2065.7 right Ybbs Ybbs an der Donau 2057.1 right 13 Erlauf Pöchlarn 2046.3 left 70 Melk Melk right Pielach Melk 2034.35 right 70 Aggsbach Aggsbach 2027.17 right Endlingbach Aggsbach 2026.97 left Spitzer Bach Spitz 2019.58 left Fladnitzbach Palt 2000.6 right Krems Altenwörth left 65 Traisen Altenwörth 1979.1 right Kamp Altenwörth left 168 Perschling Zwentendorf 1972.1 right Große Tulln Tulln an der Donau 1965.27 right Schmida Korneuburg left 74 Wien Vienna right Schwechat Upstream of Schönau 1913.7 right Fischa Fischamend right Rußbach near Hainburg an der Donau 1881.2 left 71 Morava Devín 1880.26 left 358 Vydrica Bratislava 1871.5 left Leitha near MosonmagyaróvárThe Leitha flows into the Mosoni-Duna, a branch of the Danube 1793.0 right 18 Rába GyőrThe Rába flows into the Mosoni-Duna, a branch of the Danube 1793.0 right 322 Concó Ács 1777.0 right Váh Komárno 1765.8 left 403 Hron near Štúrovo 1716.0 left 298 Ipeľ near Szob 1708.2 left 232 Lepence Visegrád 1697.0 right Benta Százhalombatta 1621.75 right Sió near Szekszárd 1497.15 right 121 (360)The Sió is 121 km long. As it flows out from the Balaton lake, measured from the source of the lake's longest tributary, the river Zala, it is 360 long. Drava near Osijek 1382.5 right 725 Vuka Vukovar 1333.1 right 114 Tisza near Titel 1214.5 left 965 Sava Belgrade 1170 right 990The Sava is 945 km long, but as it originates from two shorter rivers, Sava Dolinka and Sava Bohinjka, with the longer headwater of Sava Dolinka it measures 990 km. Timiș Pančevo 1154.2 left 359 Jezava Smederevo 1115.2 right Velika Morava near Smederevo 1104.5 right 185 (493, 550)The Velika Morava is created by the confluence of the Južna Morava and the Zapadna Morava. The Velika Morava proper is 185 km long, but also counting its longer branch, Zapadna Morava, it is 493 km long. The most distant water source in the Morava watershed is the source of the river Ibar, the longest tributary of the Zapadna Morava, which gives the Ibar-Zapadna Morava-Velika Morava river system a length of 550 km. Mlava near Kostolac 1091.6 right158 Karaš near Banatska Palanka 1076.5 left 110 Nera near Banatska Palanka 1075.0 left 143 Belobreșca left 8 Șușca left 7 Pek Veliko Gradište 1057.1 right 129 Radimna left 27 Pojejena left 9 Pârva Upstream of Moldova Veche 1050.9 left 8 Boșneag Moldova Veche 1045.3 left 12 Tumanska reka Usije right Liborajdea Liborajdea 1031.9 left 8 Čezava near Dobra 1026.8 right Camenița Gornea 1025.7 left 14 Orevița Liubcova 1022.9 left 25 Dobranska reka Dobra 1021.0 right Berzasca Berzasca 1017.8 left 46 Kožica near Dobra right Sirina Downstream of Cozla 1012.1 left 22 Pesača 1009.4 right Poloseva (Eliseva) 1007.3 left 8 Boljetinska reka 1003.2 right Strenica left 7 Zlatica 992.8 right Porečka Donji Milanovac 988.2 right 5 Lut 988 left 8 Tișovița near Eibenthal 982.6 left 16 Hlubotina 979.7 left 8 Plavișevița 976.2 left 9 Valea Morilor left 11 Valea Satului Dubova left 7 Mraconia near Dubova 967.0 left 19 Valea Satului Upstream of Eșelnița left 7 Mala Upstream of Eșelnița 961.4 left 12 Eșelnița Eșelnița 959.7 left 26 Cerna Orșova 953.2 left 79 Bahna near Ilovița 949.8 left 35 Dževrin Novi Sip 949.2 right Vodița near Ilovița left 9 Kašajna Davidovac 946.8 right Jidoștița Gura Văii left 19 Kladušnica Kladušnica 936.8 right Topolnița Drobeta-Turnu Severin 927.8 left 44 Băran near Bistrița left 6 Vratna Slatina 879 right Blahnița Balta Verde left 56 Timok Bulgarian-Serbian border 845.65 right 203 Drincea Cetate left 79 Topolovets near Vidin 784.1 right 68 Voynishka reka Dunavtsi 782.2 right 55 Vidbol Dunavtsi 780.2 right 62 Archar Archar 768.5 right 59 Skomlya near Dobri dol 762.5 right 42 Lom Lom 741.7 right 93 Balasan near Catane left 51 Desnățui Bistreț left 115 Tsibritsa Dolni Tsibar 715.85 right 91 Jiu near Bechet 691.55 left 339 Ogosta between the Jiu's mouth and Oryahovo 684.5 right 143 Jieț Bechet 681 left 52 Iskar Gigen 637.0 right 368 Ursa Gârcov left 11 Vit Somovit 609.5 right 188 Olt Turnu Măgurele 604.0 left 615 Sâi Turnu Măgurele 600.6 left 85 Osam Nikopol, Bulgaria 600.1 right 314 Călmățui Suhaia left 139 Pasărea Zimnicea left 19 Barata Svishtov 555 right 39 Vedea Bujoru left 224 Yantra Svishtov 536.7 right 285 Parapanca Slobozia left 29 Rusenski Lom Ruse 497.8 right 45 (196.9)The Rusenski Lom is formed by the confluence of the Beli Lom and the Cherni Lom. The Rusenski Lom proper is about 45 km long, but counting its longer branch, the Beli Lom, it is 196.9 km. Oncești near Gostinu left 9 Topchiyska reka Mishka Island 458 right 89 Tsaratsar west of Tutrakan 435 right 108 Zboiul near Oltenița left 28 Argeș Oltenița, Romania 430.0 left 350 Senkovets Garvan Island 405 right 102 Mostiștea Dorobanțu left 98 Berza Bogata left 26 Almălău Galița right 20 Canlia Canlia right 8 Suha reka Lake Oltina right 126 Canaraua Fetei Oltina right 16 Jegălia Jegălia left Valea Mare Dunăreni right 29 Urluia Rasova right 98 Valea Rasovei Rasova right Peștera Cochirleni right 26 Țibrin Seimeni right 41 Dunărea Dunărea right 23 Calachioi Capidava right Chichirgeaua Tichilești right 17 Ialomița Near Hârșova left 417 Călmățui Berteștii de Jos left 152 Topolog Saraiu right 50 Nămolești Gârliciu right 20 Valea Roștilor Ostrov right 28 Peceneaga Peceneaga right 19 Cerna near Peceneaga right Greci near Turcoaia right 13 Jilila Lake Jijila right 14 Siret Galați, Romania 155.05 left 647 Prut near Reni, Ukraine 134.144 left 953 Gârla Ciulineț Rachelu right
See also International Commission for the Protection of the Danube River
Notes
References
Mala Prosvetina Enciklopedija, Third edition (1985); Prosveta-Beograd; Jovan Đ. Marković (1990): Enciklopedijski geografski leksikon Jugoslavije; Svjetlost-Sarajevo; Atlas svijeta, Fifth edition (1974); Jugoslavenski leksikografski zavod-Zagreb; Donaukommission - Die Donau von Kelheim bis Sulina