Rivers of sri lanka.

Mahavali River (Ganga) is that the largest of the 103 river basins found in sri lanka. It covers regarding Sixteen Personality Factor Questionnaire of the island's total space. The river itself includes a winding course, rising about fifty kilometer south of city and flowing north then north-east to the ocean near Trincomalee covering a distance of 320 kilometer. it's the only perennial watercourse to cross the dry Zone. Lanka’s all perennial revers ar called Ganga,while seasonal streams ar called Oya in Sinhala or Aru in Tamil. a number of rivers have currently been developed each for water supply and power. The Victoria project on mahavali ganga is one in all the biggest in Asia.

performance Rivers in state

River Name                          in the distance

Mahaweli Ganga-------   335 kilometer

Aruvi Aru---------------- 164 kilometer

Kala Oya---------------- 148 kilometer

Kelani Ganga----------- 145 kilometer

Yan Oya----------------- 142 kilometer

Deduru Oya------------ 142 kilometer

Walawe Ganga-------- 138 kilometer

Maduru Oya ---------- 135 kilometer

Maha Oya------------- 134 kilometer

Kalu Ganga----------- 129 kilometer

Kirindi Oya ----------117 kilometer

Kumbukkan Oya ----116 kilometer

Menik Oya -----------114 kilometer

Gin Ganga------------ 113 kilometer

Mi Oya ----------------109 kilometer

Gal Oya---------------- 108 kilometer

source:mysrilanka.com