Sl. No Name Length Source Drainage Location of mouth (Mahaweli River 335 km (208 mi) Kotmale Trincomalee 08°27′34″N 81°13′46″E / 8.45944°N 81.22944°E / 8.45944; 81.22944 (Mahaweli River 1 (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 2 (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 3 (Kelani River 145 km (90 mi) Horton Plains Colombo 06°58′44″N 79°52′12″E / 6.97889°N 79.87000°E / 6.97889; 79.87000 (Kelani River 4 (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 5 (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 6 (Walawe River 138 km (86 mi) Balangoda Ambalantota 06°06′19″N 81°00′57″E / 6.10528°N 81.01583°E / 6.10528; 81.01583 (Walawe River 7 (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 8 (Maha Oya 134 km (83 mi) Hakurugammana Negombo 07°16′21″N 79°50′34″E / 7.27250°N 79.84278°E / 7.27250; 79.84278 (Maha Oya 9 (Kalu Ganga 129 km (80 mi) Adam's Peak Kalutara 06°34′10″N 79°57′44″E / 6.56944°N 79.96222°E / 6.56944; 79.96222 (Kalu Ganga 10 (Kirindi Oya 117 km (73 mi) Bandarawela Bundala 06°11′39″N 81°17′34″E / 6.19417°N 81.29278°E / 6.19417; 81.29278 (Kirindi Oya 11 (Kumbukkan Oya 116 km (72 mi) Dombagahawela Arugam Bay 06°48′36″N 81°49′25″E / 6.81000°N 81.82361°E / 6.81000; 81.82361 (Kumbukkan Oya 12 (Menik Ganga 114 km (71 mi) Namunukula Yala 06°21′49″N 81°31′45″E / 6.36361°N 81.52917°E / 6.36361; 81.52917 (Menik Ganga 13 (Gin Ganga 113 km (70 mi) Sinharaja Galle 06°03′47″N 80°10′27″E / 6.06306°N 80.17417°E / 6.06306; 80.17417 (Menik Ganga 14 (Mi Oya 109 km (68 mi) Saliyagama Puttalam 08°05′44″N 79°48′37″E / 8.09556°N 79.81028°E / 8.09556; 79.81028 (Mi Oya 15 (Gal Oya 108 km (67 mi) Yalkumbura Oluvil 07°18′01″N 81°51′54″E / 7.30028°N 81.86500°E / 7.30028; 81.86500 (Gal Oya 16 17 Kanakarayan Aru 70 km (43 mi) Omanthai Chundikkulam Lagoon 18 Kotmale River 70 km (43 mi) Horton Plains National Park Mahaweli River 19 Parangi Aru 60 km (37 mi) Vavuniya District Palk Strait 20 Kehelgamu Oya 50 km (31 mi) Horton Plains Kelani River 21 Pali Aru 50 km (31 mi) Puliyankulam Palk Strait 22 Maskeliya Oya 40 km (25 mi) Peak Wilderness Sanctuary Kelani River 23 Nay Aru 40 km (25 mi) Vavuniya District Palk Strait 24 Per Aru 32 km (20 mi) Vavuniya District Nanthi Lagoon 25 Mandekal Aru 30 km (19 mi) Mullaitivu District Palk Strait 26 Nanu Oya 27 km (17 mi) Pidurutalagala Kotmale River 27 Pallavarayankaddu Aru 27 km (17 mi) Mullaitivu District Palk Strait 28 Akkarayan Aru 25 km (16 mi) Mullaitivu District Jaffna Lagoon 29 Netheli Aru 24 km (15 mi) Mullaitivu District Chundikkulam Lagoon 30 Theravil Aru 23 km (14 mi) Mullaitivu District Chundikkulam Lagoon 31 Nay Aru 20 km (12 mi) Mullaitivu District Nai Aru Lagoon 32 Piramenthal Aru 20 km (12 mi) Mullaitivu District Chundikkulam Lagoon 33 Kodalikkallu Aru 19 km (12 mi) Mullaitivu District Nanthi Lagoon 34 Valukkai Aru 16 km (10 mi) Jaffna District Jaffna Lagoon 35 Kukule River 36 Madu Ganga 37 Mavil Aru 38 Pusweli Oya 39 Verugal Aru
For more information kindly visit : www.downloadexcelfiles.com
www.downloadexcelfiles.com