The Mongolian vole lives in wet grassland and marshy ground across northern East Asia. Its back is dark brown, its belly gray, and its tail is dark above and pale below.
The dorsal fur is dark blackish brown and the underside is gray. The tail is dark above and paler below.
The account places it mainly in wet grasslands, sedge marshes, and riverside meadows. It also records high-altitude Mongolian grass among rocky scree.
An extinction-risk assessment has not been added yet.