Kurundu Oya river starts from Piduruthalagala mountain range. It also featured the second highest waterfall of Sri Lanka. During the second Inter Monsoon Kurundu Oya get large amount of water.
Belihuloya starts from Mandaram Nuwara flows to the Randenigala Reservoir enriching the Mahaweli River. To Padiyapelella town you can see the beauty of this river.
Uma Oya is the divisional separation of Nuwara Eliya and Badulla district in Sri Lanka. Famous gorgeous Dunhinda waterfall water ways started with Uma Oya river. Uma Oya starts at worldsend travels Ambewela, Nuwaraeliya, Uva Paranagama, Welimada, Attampitiya, haliela, Badulla and end with Mahaweli river at Rantambe reservoir.