Derived from the Algonquin language, the name of this river has had many spellings including "Kazaluzu", "Kasubasua", "Cazabasua", "Cazibazouis", "Cazebalzuac", and "Cajibajouis".

[1] The geography of Kazabazua River includes calcitic marble containing crystals of graphite and grossular garnet.

The pollution of the Gatineau, Kazabazua, and Pontiac rivers by both treated and untreated leachate has been a recent concern and "could have devastating effects upon residents and tourism throughout the region.

[3] When water levels rise, the Kazabazua and Pontiac rivers sometimes back up into Lac Shea causing pollutants that they carry end up in this lake.

[4] The Kazabuza and Picanoc rivers are among several local bodies of water in Pontiac Regional County Municipality in which delicate aquatic and semi-aquatic animals such as wood turtles have been studied.