The nilgiri marten is endemic to the Western Ghats of India (Balakrishnan 2005). The species is habitat specific and localized within its distribution. This species has been recorded across a wide range of elevations from 300 to 1,400 m with an average of around 990 m for preferred habitat (Mudappa 1999; Balakrishnan 2005). Most of the records known for this species are from protected areas (Muddapa pers. comm.).