Land and Resources, Rivers and Lakes
The major rivers of Madagascar are the Betsiboka, Tsiribihina, Mangoky, and Onilahy; all rise in the uplands near the eastern coast and flow west to the Mozambique Channel through fertile valleys. By contrast, rivers flowing to the Indian Ocean are short and swift, frequently plunging from the uplands in waterfalls. The largest lake is Alaotra, near Toamasina.
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