It is one of the large tributaries of the Cuanza River, on the left bank, its sources are in the Central Plateau, where it rains abundantly, around 1400 mm annually.
The direction of this river runs in a South-North direction, has its main source south of the city of Tchicala Chiloango ex Vila Nova and flows into the Cuanza river 110 km south of Cangandala.
It is in this city that the river Cuanza bends 90º, heading towards the Atlantic Ocean, The BH of the Cutato river is fully integrated into ZA 24-Planalto Central.
This ZA holds most of the land with the highest altitude (above 1500 m), considered a perfectly individualized geo-economic region and of particular importance as it concentrates an appreciable percentage of Angola's population.
Dense agricultural and commercial occupation, accentuated link of rural communities to arable land, stratifying in the presence of cattle, mainly breeding and working cattle ».
It covers the tropical zone of alternating humid to dry climate.
The average annual temperature ranges between 19º and 20º C - warm temperate climate.
Rainy season of 6 months-starting in September until mid-April. Average annual rainfall 1400 mm in the central-west Atlantic top. Rainiest month: December. Less rainy period March/April.
Average annual relative humidity 60% to 70%, with maximums in January (75% to 80%) and minimums in August (30% to 40%).