The montane Bunomys is a rat recorded only in mountain forests of Sulawesi. A specialist review places it among the larger-bodied Bunomys with heavier molars.
In a comparison of Sulawesi Bunomys, this species belongs to a group defined by larger physical size and heavier molars. This is a relative grouping, not a measurement of every individual.
It is strictly montane and has been recorded in montane evergreen forest in central and southeastern Sulawesi.
An extinction-risk assessment has not been added yet.