The Kawa River (Wae or Wai Kawa) is a river of Seram Island, Maluku province, Indonesia, about 2500 km northeast of the capital Jakarta.

It flows in an easterly direction through the southern area of Manusela National Park, with many "small, fast-flowing rivers running through".

The river flows in the southern central region of Seram island with predominantly tropical rainforest climate (designated as Af in the Köppen-Geiger climate classification). The annual average temperature in the area is 22 °C. The warmest month is December, when the average temperature is around 24 °C, and the coldest is August, at 20 °C. The average annual rainfall is 3137 mm. The wettest month is July, with an average of 494 mm rainfall, and the driest is October, with 89 mm rainfall.

Kawa River
Climate chart (explanation)
J F M A M J J A S O N D     208     23 20     191     23 22     245     25 19     275     22 22     382     22 21     352     22 21     494     23 20     311     22 17     160     25 20     89     24 20     166     24 21     264     25 22 █ Average max. and min. temperatures in °C █ Precipitation totals in mm Source:
Imperial conversion J F M A M J J A S O N D     8.2     73 68     7.5     73 72     9.6     77 66     11     72 72     15     72 70     14     72 70     19     73 68     12     72 63     6.3     77 68     3.5     75 68     6.5     75 70     10     77 72 █ Average max. and min. temperatures in °F █ Precipitation totals in inches

• List of drainage basins of Indonesia
• List of rivers of Indonesia
• List of rivers of Maluku (province)

3°13′9″S 129°19′20″E / 3.21917°S 129.32222°E / -3.21917; 129.32222