This mountain rodent is known from southern Peru and Bolivia. The source reports elfin forest at the Peruvian type locality and field notes from Bolivian collecting sites.
The dorsal coat is light brown. The underside is paler with a yellowish wash, and dark gray hair bases are visible.
Field notes from collecting localities along the Rio Aceromarca in Bolivia describe cold temperate forest, second-growth brush, and valley fields bordered by cliffs.
An extinction-risk assessment has not been added yet.