Simplify the following text for a Grade 6 native English-speaking person.
Original: The IalomiÅ # a is a river of Southern Romania that rises from the Bucegi Mountains in the Carpathians and flows into the Danube .
Simplified: The IalomiÅ # a River ( RÃ cents ul IalomiÅ # a in Romanian ) is a river in the southern part of Romania . It comes up from the Bucegi Mountains of the Carpathians and flows into the Danube .