Complex sentence: The Pambar River originates in the Anaimudi Hills and flows between Kanthalloor and Marayur Villages.It joins with Chinnar and croses the interstate boundary and becomes the Amaravathi River in Tamil Nadu, reaches the Amaravathi Reservoir and eventually joins the Kaveri River near Karur.
Split into simpler sentences: The Pambar River originates in the Anaimudi Hills and flows between Kanthalloor and Marayur Villages. It becomes the Amaravathi River in Tamil Nadu, reaches the Amaravathi Reservoir and eventually joins the Kaveri River near Karur.