The river is located in the ecological zone of the Peruvian Yungas, or Ceja de Selva ("eyebrow of the jungle"), the transition zone between the low jungles of the Amazon Basin and the Andes highlands.
The river's location within the Peruvian Yungas, or "Eyebrow of the Jungle," highlights its position as a transition point between the Amazon Basin's lower jungle region and the Andean highlands.