List of rivers of Sri Lanka

Columns: Name | Length | Source | Drainage | Location of mouth
Mahaweli River | 335 km ( 208 mi ) | Horton Plains | Trincomalee | 08°27′34″N 81°13′46″E / 8.45944°N 81.22944°E / 8.45944 ; 81.22944 ( Mahaweli River ) | Malvathu River | 164 km ( 102 mi ) | Dambulla | Vankalai | 08°48′08″N 79°55′40″E / 8.80222°N 79.92778°E / 8.80222 ; 79.92778 ( Malvathu River ) | Kala Oya | 148 km ( 92 mi ) | Dambulla | Wilpattu | 08°17′41″N 79°50′23″E / 8.29472°N 79.83972°E / 8.29472 ; 79.83972 ( Kala Oya ) | Kelani River | 145 km ( 90 mi ) | Adam 's Peak | Colombo | 06°58′44″N 79°52′12″E / 6.97889°N 79.87000°E / 6.97889 ; 79.87000 ( Kelani River ) | Yan Oya | 142 km ( 88 mi ) | Ritigala | Pulmoddai | 08°55′04″N 81°00′58″E / 8.91778°N 81.01611°E / 8.91778 ; 81.01611 ( Yan Oya ) | Deduru Oya | 142 km ( 88 mi ) | Kurunegala | Chilaw | 07°36′50″N 79°48′12″E / 7.61389°N 79.80333°E / 7.61389 ; 79.80333 ( Deduru Oya ) | Walawe River | 138 km ( 86 mi ) | Adam 's Peak | Ambalantota | 06°06′19″N 81°00′57″E / 6.10528°N 81.01583°E / 6.10528 ; 81.01583 ( Walawe River ) | Maduru Oya | 135 km ( 84 mi ) | Maduru Oya | Kalkudah | 07°56′24″N 81°33′05″E / 7.94000°N 81.55139°E / 7.94000 ; 81.55139 ( Maduru Oya )

Example questions:
How much rain does the area of one Sri Lankan river , which has a city surrounded by coconut plantations and rubber estates , receive annually ? | What was the capital of the country whose river 's drainage formed the world 's most famous pearl fishing banks ? | What species of migratory bird flocks to the park of the Sri Lankan town that has milder weather throughout the year ? | Of the shorter Sri Lankan rivers , which has a peak named `` Nine Peaks `` ?

Answers:
4,313 million cubic metres | Anuradhapura | greater flamingo | Menik Ganga