Many rivers begin with 'r'. For example the Rotaconga, the Rehstt, and the Renn. If you count rivers beginning with "River" then you get many many more as well.
The abbreviation for river is R
Russia Romania Rwanda Republic of Ireland, Congo and Korea
The Platte River has its beginnings in the Rocky Mountains on the eastern slope. The word "Platte" is the French word for "flat". It is a slow meandering river as it winds it way east.
The River Styx is in the underworld. Dead souls are ferried across it by Charon the ferryman. The River Styx was a mythological river that flowed between the ends of the Earth and the beginnings of the Underworld.
R. G. Bomont has written: 'Beginnings and today' -- subject(s): History, University of Stirling
River Rhine.
The river in the West of Mesopotamia is called the Tigris R. The River in the East is called the Euphrates R.
The Ravan River is a famous river in Russia. It begins with R and ends with N.
Rhine river
R indicates a river
Missouri R.
The Rhine River The Rhone River