Kogin Rianila
Kogin Rianila kogi ne a yankin Atsinanana a gabashin Madagascar. Yana gangarowa daga tsakiyar tsaunuka don kwarara zuwa Tekun Indiya kudu da Brickaville a Andevoranto. Babban yankinta shine Rongaronga, wanda ke haɗuwa da shi kusa da Brickaville da kuma Iaroka da Vohitra Rivers.

A baya masu binciken yammacin duniya suna kiran kogin Iharoka (da kuma kogin Jark a ƴan tushe).

Nassoshi 

  canaldespangalanes.over-blog.com - Descente de la Rianila
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