Rocha River or Kunturillu River (Quechua kunturillu black and white, hispanicized spelling Condorillo, also Kundurillu, Kunturillo) which upstream is called Mayllanku (Maylanco) is a Bolivian river in the Cochabamba Department, Quillacollo Province. From the point of the confluence with the Arque River the river is called Caine River.