The Wapoga River basin and surrounding mountains were surveyed by a team of scientists organized by Conservation International in 1998.

[4] The rainbowfish Glossolepis leggetti and Melanotaenia rubripinnis are only known from this river system.

The Keuw language is spoken within the watershed of the Wapoga River.

[5] The river flows in the northern area of Papua with predominantly tropical rainforest climate (designated as Af in the Köppen-Geiger climate classification).

The warmest month is October, when the average temperature is around 22 °C, and the coldest is January, at 18 °C.