 The species is considered present in adjacent Cross River National Park - Oban Division in Nigeria and hunter reports suggest that few groups remain in Nkwende Hills and Nta Ali Forest Reserve in the broader Korup region.A population is also present in Ebo forest, Littoral Province of Cameroon.The Preuss's red colobus is critically endangered according to the IUCN Red List due to hunting pressure and destruction of its habitat.