A woman is dead after a two-car crash on the New South Wales South Coast overnight.

Emergency services were called to Mount Dromedary Trail, Central Tilba, just after 12.30am.

Police were told two men and a woman were travelling in a ute, which crashed and rolled.

A hatchback travelling behind them then collided with the crashed ute.

The woman in the ute died at the scene.

The two male drivers, both aged 32, were treated for minor injuries and taken to hospital for further testing.

The second man in the ute, aged 30, was also taken to hospital for further treatment.

Police are investigating the crash.