加瑪河

加瑪河（Jamma River）是青尼羅河的右支流，流域包括阿姆哈拉州和奧羅米亞州，面積15,782平方公里.。上加瑪河流經陡峭的峽谷、白堊紀時期形成的砂岩和頁岩。

加瑪河在十四世紀被首次提及，傳教士佩德羅·波埃茲（）是首個歐洲人到訪和描述青尼羅河的發源。

參考資料
外部連結

• [https://web.archive.org/web/20070927204328/http://www.dppc.gov.et/downloadable/map/administrative/Atlas_Oromiya.pdf Ethiopia Disaster Prevention and Preparedness Agency: Administrative atlas: Oromiya region]
• [https://web.archive.org/web/20081031005547/http://www.dppc.gov.et/downloadable/map/Thematic%20maps/floodvulnerableareas_aug24_2006.jpg Ethiopia Disaster Prevention and Preparedness Agency: Flood Vulnerable Areas as of August 24, 2006]