A child has died and another has been hospitalised after a crash near Goulburn on Sunday.

NSW Police said a Toyota Prado wagon carrying two adults and four children was travelling on Jerrara Road at Bungonia when it left the road and crashed into a tree around 4.45pm.

A seven-year-old boy, who was a passenger in the car, died at the scene.

A 10-year-old girl was airlifted to Canberra Hospital for treatment to non-life threatening injuries, while the 38-year-old male driver and the other three passengers escaped uninjured.

The driver was taken to Goulburn Base Hospital for mandatory blood and urine tests.

Police from Goulburn Local Area Command are investigating the circumstances surrounding the incident and urge anyone with information to contact Crime Stoppers on 1800 333 000 or via the online reporting page: https://www1.police.nsw.gov.au/.

Information you can be provided anonymously.