One man is dead after a head-on collision in northern New Brunswick involving a side-by-side and dirt bike.

RCMP say the crash happened early Sunday morning on Hache Road in Haut-Rivière-du-Portage.

The 24-year-old driver of the dirt bike from Brantville, New Brunswick was taken to hospital where he died the following day.

A passenger suffered serious injuries.

The occupants of the side-by-side were uninjured.