This rice rat occurs in the eastern Andes of southwestern Peru and northwestern Bolivia. It has long dorsal fur and a yellowish underside, and is mainly terrestrial.
Its long, dense dorsal fur is yellowish to ochraceous brown with grizzling. The belly fur is shorter and yellowish, and the tail is often bicolored.
It is mainly terrestrial, although some individuals have been captured in trees. Specimen records include dark, humid mossy high-elevation forest, steep slopes, and stream ravines.
An extinction-risk assessment has not been added yet.