Chionochloa rigida, known commonly as narrow-leaved snow tussock and by its Māori name wī kura, is a species of tussock grass endemic to New Zealand.

[3][4] Found throughout the lower half of the South Island, from Banks Peninsula and east of the Southern Alps through to Southland.

[5] The subspecies C. rigida amara has a more western distribution and is found south of around 43°S in the Southern Alps.

[3] Prefers montane to low alpine zones, but is known to descend to sea level in Otago.

[2] The narrow-leaved snow tussock is classified as Least Concern by the IUCN and Not Threatened by the Department of Conservation.