A PASSER-by located the scene of a single car crash in Tyers on Wednesday morning.
According to police, it appears at this stage the car had left Tyers-Walhalla Rd and struck a tree.
The female driver, and only occupant, died at the scene and is yet to be identified.
The exact time and cause of the crash is yet to be determined.
Anyone who witnessed the collision has been asked to phone Crime Stoppers on 1800 333 000 or to make a confidential report at www.crimestoppersvic.com.au.