Maha Oya

The Maha Oya is a major stream in the Sabaragamuwa Province of Sri Lanka. It measures approximately 134 km (83 mi) in length.[1] It runs across four provinces and five districts. Maha Oya has 14 Water supply networks to serve the need of water and more than 1 million people live by the river.[2]

Maha Oya
Maha Oya passes Pinnawala elephant orphanage area
Physical characteristics
  locationNawalapitiya, Aranayake
Kochchikade, Negombo
07°16′21″N 79°50′34″E
Sea level
Length134 km (83 mi)

Its catchment area receives approximately 3644 million cubic metres of rain per year, and approximately 34 percent of the water reaches the sea. It has a catchment area of 1,510 square kilometres.[3]

See also


  1. Yassin Mohammed, Essam (2013). Economic Incentives for Marine and Coastal Conservation: Prospects, Challenges and Policy Implications. Routledge. p. 296. ISBN 978-1-135-00663-1.
  2. "Maha Oya Sand Mining To Affect Millions". Retrieved 17 October 2016.
  3. "Sri Lanka: Rivers". FAO. Retrieved 12 October 2016.

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