01 / Penkeutashunai River
An Ainu river name, "a stream withplenty of sand," is said to be the city's name.
The city says its name comes from the Penkeutashunai River, which runs east to west through town. In Ainu the name means "a stream with plenty of sand." When the Hokkaido Colliery and Railway line opened in 1891, the city says, that meaning was taken and the place named Utashinai.
- Ainu: "a stream with plenty of sand"
- 1891: named when the railway opened
- River runs east to west

