Song Rhine hay Song Rhein (tieng Anh: Rhine; tieng Đuc: Rhein; tieng Ha Lan: Rijn; tieng Phap: Rhin; tieng Y: Reno; tieng Romansh: Rain) thuong đuoc phien am trong tieng Viet voi ten song Ranh hoac song Rai-no la mot trong nhung con song lon va quan trong nhat chau Au, dai 1.233 km co luu luong trung binh hon 2.000 met khoi tren mot giay. Ten cua song Rhein bat nguon tu tu tieng Đuc co Rhein, ma tu nay lai bat nguon tu tu tieng Đuc tren trung: Rin, tu goc An-Au nguyen thuy *reie- ("chay, chay"). Song Reno trong tieng Y co chung goc nay.
Song Rhein bat nguon tu ho Tomasee tren day nui Alps thuoc đia phan Thuy Si. No chay vao ho Bodensee roi huong len phia Bac toi bien gioi Đuc-Phap, chay qua Strasbourg (Phap), chay vao lanh tho Đuc bat đau tu Karlsruhe qua Bonn, Koln, Dusseldorf, v.v... va chay sang Ha Lan. Trong lanh tho Ha Lan, Rhein chia thanh 2 phan luu la song Waal va song Lek. Song Rhein đo vao bien Bac gan Rotterdam. Cac phu luu lon cua Rhein la song Main (Đuc), song Mosel (Phap, Luxembourg, Đuc), song Neckar (Đuc), song Lahn (Đuc) va song Ruhr (Đuc).


Đia ly = Chieu dai va phat hien =
Rhein la mot trong nhung con song dai nhat va quan trong nhat o chau Au. Mai cho đen nam 1932, chieu dai cua no đuoc ghi nhan la 1.230 km (764 dam). Tuy nhien nam 1932, German encyclopedia Knaurs Lexikon ghi chieu dai cua no la 1.320 km (820 dam), co le la loi hoan đoi khi đanh may. Sau đo, con so nay đuoc đang trong Brockhaus Enzyklopadie co ban quyen, va hien nhien đuoc đuoc chap nhan va xuat hien trong nhieu sach tham khao va an pham chinh thuc. Loi nay đuoc phat hien nam 2010, va mot Rijkswaterstaat nguoi Ha Lan xac nhan chieu dai cua no la 
1.232 kilomet (766 dam).


= Thuy Si, Liechtenstein, Ao va Đuc =
Nguon cua con song nhin chung đuoc xem la tu phia bac cua Lai da Tuma (Tomasee) o Vorderrhein, mac du nhanh phia nam cua no Rein da Medel thuc te la dai hon truoc khi no hoa vao Vorderrhein gan Disentis. 

Vorderrhein, hay Anterior Rhine, chay tu Lai da Tuma (Tomasee), gan đeo Oberalp va đi qua Ruinaulta đuoc hinh thanh boi cac khoi đa truot lon tren Anpo, Flims Rockslide.
Hinterrhein, hay Posterior Rhine, bat nguon tu Paradies Glacier, gan Rheinwaldhorn. Mot trong cac nhanh cua no la Reno di Lei chay ra tu Valle di Lei vung lanh tho chinh tri cua Y. Sau khi chay qua 3 thung lung đuoc chia cach boi 2 hem nui, Roflaschlucht va Viamala, no chay đen Reichenau.

Tu Reichenau, Rhein chay theo huong đong la Alpenrhein hay "Rhein Anpo", qua Chur vong ve phia bac tao thanh mot ranh gioi phia bac dai 20 km giua Liechtenstein va Ao, bo phia đong va bang St. Gallen cua Thuy Si o bo phia tay. Dong song chay vao ho Constance thuoc lanh tho cua Ao va chay theo long song co tu nhien cua no. Khi qua ho no chay theo huong tay co ten la Hochrhein, bang qua thac Rhein, va hop luu voi song Aar. Aar co luu luong gap đoi luu luong song Rhein, trungbi2nh gan 1.000 m3/s (35.000 cu ft/s). Aar cung thu nuoc tu 4.274 m (14.022 ft) đinh Finsteraarhorn, la điem cao nhat cua luu vuc song Rhein. Rhein tao thanh ranh gioi tuong đoi giua Đuc tu ho Constance voi Thuy Si tru mot phan cua Zurich tru va Schaffhausen.


Phu luu Cac phu luu cua song tu thuong nguon:


Tham khao Berendsen, H.J.A. & E. Stouthamer (2001) [1] Luu tru ngay 20 thang 5 nam 2006 tai Wayback Machine: Palaeogeographic development of the Rhine-Meuse delta, The Netherlands; Koninklijke van Gorcum, Assen; ISBN 90-232-3695-5
Cohen, K.M., Berendsen, H.J.A. & E. Stouthamer (2002) Fluvial deposits as a record for Late Quaternary neotectonic activity in the Rhine-Meuse delta, Ha Lan. Netherlands Journal of Geosciences — Geologie en Mijnbouw, 81 (3-4), 389-405
Gouw, M.J.P., Erkens, G. (2007) Architecture of the Holocene Rhine-Meuse delta (Ha Lan) – A result of changing external controls. Netherlands Journal of Geosciences — Geologie en Mijnbouw, 86 (1), 23-54
Hoffmann, T., Erkens, G., Cohen, K.M., Houben, P., Seidel, J., Dikau, R.(2007) Holocene floodplain sediment storage and hillslope erosion within the Rhine catchment. The Holocene, 17 (1), 105-118 DOI: 10.1177/0959683607073287
Menot, G., Bard, E., Rostek, F., Weijers, J.W.H., Hopmans, E.C., Schouten, S., Sinninghe Damste, J.S. (2006) Early Reactivation of European Rivers During the Last Deglaciation Science 313 (5793), 1623-1625 DOI: 10.1126/science.1130511


Ghi chu Đoc them Blackbourn, David., (2006) The Conquest of Nature: Water, Landscape and the Making of Germany. The transformation of the Rhine since the eighteenth century.


Lien ket ngoai Rudesheim famous wine-village (English) Luu tru ngay 15 thang 5 nam 2007 tai Wayback Machine
Spatial Planning Key Decision Room for the River. Investing in the safety and vitality of the Dutch river basin region (dec 2006)PDF (1.31 MiB)
Rhine in Flames in the Upper Middle Rhine Valley World Heritage


= Tu nguyen =
The *rei- root, American Heritage Dictionary Luu tru ngay 18 thang 11 nam 2007 tai Wayback Machine


= Đia thach hoc =
EUCOR-URGENT: Upper Rhine Graben Evolution and Neotectonics Luu tru ngay 26 thang 9 nam 2000 tai Wayback Machine
Britain's Drowned Landscapes
New Dating of European Ice Age Luu tru ngay 7 thang 7 nam 2007 tai Wayback Machine
Regional Tectonics: from the Rhein Graben... Luu tru ngay 19 thang 12 nam 2005 tai Wayback Machine
Rhine-Meuse Delta Studies Luu tru ngay 3 thang 4 nam 2018 tai Wayback Machine


= Lich su =
Rhein river History and Maps Luu tru ngay 23 thang 3 nam 2010 tai Wayback Machine
Rhein-Meuse delta studies Luu tru ngay 3 thang 4 nam 2018 tai Wayback Machine


= Lau đai =
Castles and Hotels on the Rhein
Castles on the Rhein
Castles Along the Rhein River
More Castles on the Rhein Luu tru ngay 19 thang 6 nam 2006 tai Wayback Machine
State-Owned Historical Monuments in Rheinland-Palatinate
Castles on the Rhine river in Germany


= Hang hai =
Rhein Navigation Commission


= Huong dan Du lich =
Travel Guide to the Middle Rhein (UNESCO World Heritage)
Lorelei Info - Information all around the Lorelei in the Upper Middle Rhine Valley World Heritage