A Daihatsu station wagon was travelling south on Summerland Way, Dilkoon, failed to negotiate a slight right hand bend and left the roadway about 12.50pm Wednesday.

It struck a tree before falling down an embankment. Witnesses stopped and contacted emergency services.

The driver, a 73-year-old man, and the passenger, a 75-year-old woman were trapped for some time.

The woman died at the scene.

The driver was taken to Lismore Base Hospital with a fractured sternum. He was subject to mandatory blood and urine tests.

A report will be prepared for the Coroner.