Occurs from eastern Democratic Republic of Congo to northwestern Rwanda (2). Subspecies C. h. kahuziensis is confined to Mount Kahuzi in the Democratic Republic of Congo and Nyungwe Forest in Rwanda (1).
![]() | View a distribution map for this species at UNEP World Conservation Monitoring Centre. |
The owl-faced guenon primarily inhabits dense montane rainforest, but can also occur in lowland forest (5).