Danube ndi mtsinje waukulu kwambiri wa kumadzulo kwa Ulaya womwe umayenda bwino kwambiri. Mitsinje ndi zombo zowuma zimayenda motsinje mtsinjewo nthawi zonse, ndipo sitimayi zamakampani oyendera malo amapanga maulendo pa Danube m'miyezi yotentha, kuyambira May mpaka September. Mtsinje uli wokongola kwambiri, mphatso kwa okonda maulendo a unhurried ndi oyendayenda omwe amayesa kuyendera maulendo angapo m'mayiko amodzi. Danube ndi yabwino kwambiri chifukwa ichi, mayiko khumi a ku Ulaya ali panjira.
Akuti, pa gawo limene Mtsinje wa Danube ukuyenda, kuyambira ku Germany, pali gwero. Mapiri a German Black Forest amachititsa mtsinje waukulu. Kubadwa kwa Danube kukuzunguliridwa ndi chinsinsi. Pambuyo pa makilomita makumi atatu, mtsinjewu umatha mwadzidzidzi. Madzi onse, mpaka pansi, amapita pansi, amatha ndi kuthamanga kuthawa makilomita 12 mu mawonekedwe a mphamvu, yomwe inapatsidwa dzina lakuti Aahsky. Mu 1876, mfungulo uwu unayang'anitsidwa, unapezeka kuti wadyetsedwa kwathunthu ndi kwathunthu ndi madzi kuchokera ku gwero la Danube.
Koma chochititsa chidwi kwambiri ndikuti chophimba cha Aach chimapereka madzi onse kumtsinje wa Radolfzeller Aach, womwe umapititsa ku Lake Boden, ndipo kuchokera ku nyanja iyi Mtsinje wa Rhine umachokera , womwe ndi umodzi wa misewu yaikulu kwambiri ku Germany. Komabe, zopezeka madzi zomwe zilipo zili zokwanira kwa Danube palokha. Kutembenuka kwa German Regensburg, mtsinje ukupeza mphamvu, pang'onopang'ono kukhala wodzaza ndi kuthamanga mochuluka kwambiri. Atadutsa ku Austria ndi ku Vienna, mtsinje wa Danube ukuyenda kwa kanthawi kumalire a Slovakia ndi Hungary. M'malo mwake zimakhala malire a chilengedwe pakati pa mayiko awiriwa. Kenaka, kudera la Budapest, limapita kummwera mwadzidzidzi.
Tsopano njira ya mtsinje wochititsa chidwi ku Ulaya ili kum'mwera, momwe Danube imagawaniza dziko la Hungary - Budapest - mumzinda umodzi, Buda ndi Pest. Ndiyenera kunena kuti Buda ndi Pest pamodzi ndi Danube ndi malo okongola kwambiri padziko lonse lapansi. Likulu la Hungary ndilo likulu la dziko lonse lachipatala ndi zachipatala. Mitsinje yambiri yotentha imabweretsa Budapest kumalo amodzi oyambirira mu malonda a zosangalatsa, ndipo mumzinda uwu Blue Danube inathandiza.
Danube itadutsa malire akumwera a Hungary, imakhalanso malire a pakati pa mayiko awiri, nthawi iyi ndi Serbia ndi Croatia. Komabe, posakhalitsa Mtsinje wa Danube ukulowera kwambiri mpaka kumanzere, umachoka malire ndikukumana ndi mzinda wakale wakale wa Belgrade. Kumalo omwewo, Danube imatenga imodzi mwa zigawo zake zazikulu, Mtsinje wa Sava. Kubwezeretsanso mphamvu zake, zimayenda mozungulira ku Romania. Ndipo kachiwiri, chifukwa cha nthawi yamphindi, Mtsinje wa Danube umakhala malire achilengedwe pakati pa mayiko awiriwa. Kwa nthawi yonse yolumikizana ndi gawo la Romanian ndi Bulgaria, malirewo akudutsa njira ya Danube.
Ndipo pang'ono chabe musanafike kumphepete mwa Black Sea, Mtsinje wa Danube umapita kumpoto kukakhudza kummwera kwenikweni kwa Moldova ndi kuyenda pang'ono pamtunda wa Ukraine. Amagawidwa m'magulu angapo, kupanga mamitala atatu a mumtsinje wa mtsinje, amapita makilomita angapo otsiriza ndipo amatsanulira mwakachetechete madzi ake otopa kuchokera kuulendo wautali kupita ku Nyanja Yofiira.