Zigi River also known as Sigi River (Swahili: Mto Sigi ), is a river in located in east
Tanga Region
Tanga Region (''Mkoa wa Tanga'' in Swahili) is one of Tanzania's 31 administrative regions. The region covers an area of . The region is comparable in size to the combined land area of the nation state of Burundi. The regional capital is the mu ...
in
Tanzania
Tanzania (; ), officially the United Republic of Tanzania ( sw, Jamhuri ya Muungano wa Tanzania), is a country in East Africa within the African Great Lakes region. It borders Uganda to the north; Kenya to the northeast; Comoro Islands ...
.
The river rises in the Amani Nature Reserve in the east
Usambara Mountains
The Usambara Mountains of northeastern Tanzania in tropical East Africa, comprise the easternmost ranges of the Eastern Arc Mountains. The ranges of approximately long and about half that wide, are situated in the Lushoto District of the Tang ...
in
Muheza District
Muheza is one of eleven administrative districts of Tanga Region in Tanzania. The District covers an area of . It is bordered to the north by Mkinga District, to the east by Tanga and the Indian Ocean, to the south by the Pangani District ...
, more precisely in Handei Mountains, at an altitude of 1130 meters and flows for 100 km in a long course and multiple changes of direction to its mouth 40 km north of the town of
Tanga Tanga may refer to:
Places Burkina Faso
* , a town in eastern Burkina Faso
* Tanga, Sidéradougou, a village in western Burkina Faso
* Tanga-Pela, a village in northern-central Burkina Faso
Other places
* Tanga, Tanzania, a city and port on the ...
in the
Indian Ocean
The Indian Ocean is the third-largest of the world's five oceanic divisions, covering or ~19.8% of the water on Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia to the east. To the south it is bounded by ...
. Its tributaries are the Kihuhui (from south) and the Musi (from North).

Hydrometrie
Average monthly flow of Zigi measured at the hydrological station in Lanconi Estate, approximately 10 km above the
Mabayani Dam in m³ / s (1957 - 1990).
The Zigi flows stimulate time-dependent, like most rivers in the region.
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References
Rivers of Tanzania
{{Tanzania-river-stub