Awoman died and a young boy is in a critical condition following a crash south of Mount Gambier on Friday afternoon.

About 12.30pm police were called to Donovans Road at Wye after reports of a collision between a log truck and a car.

Sadly the driver, a 38-year-old woman from Western Australia, died at the scene.

An 8-year-old boy seated in the rear of the vehicle suffered critical injuries and was airlifted to the Royal Children’s Hospital Melbourne.

The front passenger, a 36-year-old man and rear passengers a 6-year-old boy and a 5-year-old girl, who all suffered minor injuries, were taken to the Mount Gambier Hospital.

The truck driver, a 58-year-old man, was uninjured and is assisting police with their enquiries.

Major Crash officers attended the scene.

The intersection at Donovans Road and Glenelg River Road was closed in all directions, but reopened about on Saturday afternoon.