The Tarcău (Hungarian: Tarkő) is a right tributary of the river Bistrița in Romania.

[1][2][3] It discharges into the Bistrița in the village Tarcău.

[4] It flows through the villages Ardeluța, Schitu Tarcău, Brateș, Cazaci and Tarcău.

[2][5] The Hungarian name means "baldstone".

This article related to a river in Neamț County is a stub.