MedStar paramedics, Major Crash investigators called to fatal crash in the Barossa

A 70-year-old woman has died after her car hit a tree in the Barossa.

A woman has died and another has been seriously injured in a crash at Bethany, in the Barossa.

The single vehicle collision occurred about 2.30pm on Saturday.

A 70-year-old woman from Swan Reach died after a car slammed into tree in the Barossa Valley on Saturday. Picture: 7NEWS

The driver, a 70-year-old woman from Swan Reach, died after her car hit a tree.

She is the ninth person to die on South Australian roads this year.

Her female passenger, 37, was taken to hospital by ambulance with serious, but not life-threatening, injuries.

MedStar paramedics were called to the incident.

Bethany Rd is closed to traffic while Major Crash investigators examine the scene.

SA Police are asking motorists to avoid the area.

Originally published as MedStar paramedics, Major Crash investigators called to fatal crash in the Barossa