Please rephrase - the question is unclear.
Some plateaus of UAE are deccan,JabalQatar,and Salmah
nile river
Deccan Meseta and Massif Central are both plateaus. Plateaus are elevated flat areas of land that are typically situated between higher mountain ranges or hills.
This question is incomplete, you don't specify the region or culture associated with the question. I could give you the names of literally dozens of "important" rivers and yet I still wouldn't be able to answer your question. Examples: Nile River, Amazon River, Tigris River, Euphrates River, Mississippi River....
other name for peninsula plateau is deccan plateau.
The Ill River which is located in Alsace in the Northwest region of France.
Roan Plateau,Colorado Plateau,Deccan Plateau, Tibetan Plateau
The Nile River of Africa and the Rio Grande of the United States both flow through deserts.
North Dakota, South Dakota,Missouri,Kansas,Minnesota,Nebraska,Wisconsin
The Chindwin and the Irrawaddy rivers .
Some rivers in California with Spanish names include the Sacramento River, the San Joaquin River, and the Santa Ana River.