Two killed after tree fell on their car

Police are investigating after a tree crushed a car, killing two women. (Darren England/AAP PHOTOS) (AAP)

Two women died after a tree fell onto their car south of Queensland's Sunshine Coast.

The pair were driving on Old Gympie Road in Glass House Mountains when they were crushed.

The 20-year-old driver from Little Mountain and her 80-year-old passenger from Glass House Mountains died at the scene.

Queensland Police's forensic crash unit is investigating.