烏卡亞利河
The Reserve is located mainly in the upper or middle sectors of the tributaries of the Ucayali river basins (on the left bank), Pachitea and Pichis (on the right bank). The southern part of the reserve is located between the upper sectors of the tributaries of the Pichis, Ucayali and Unini rivers. The eastern sector of the buffer zone is made up of the Ucayali River; while the western sector is in the basin of the Pachitea and Pichis rivers.