Montumana is a rural locality in the local government areas (LGA) of Circular Head and WaratahâÂÂWynyard in the North-west and west LGA region of Tasmania. The locality is about west of the town of Wynyard. The 2016 census recorded a population of 67 for the state suburb of Montumana.
Montumana was gazetted as a locality in 1966. Previously known as Detention River East and then as Ellison, the current name was approved in 1966.
The Detention River forms a small part of the northern boundary. Many of the boundaries are survey lines.
Route A2 (Bass Highway) runs through from east to north.