The Albertine Rift Grammomys is recorded in East African highlands. Its 1907 description gives a tawny back and white underside; the type specimen came from the eastern Ruwenzori at about 1,830–2,130 m.
The back is tawny, with a grayer head and paler sides; the white underside has a buff to ochre edge. The long tail is dark brown.
The type specimen was recorded in the eastern Ruwenzori at 6,000–7,000 ft (about 1,830–2,130 m).
An extinction-risk assessment has not been added yet.