Factual error: We see a solar eclipse take place, yet we also see numerous shots of the moon in which is at least half-full. Some of these lunar shots must be within a couple of days of the eclipse, though it couldn't take less than 7 days for the phase of the moon to change that much.
Factual error: The plot of Wolf Creek is set in Western Australia, but all the vehicles in the movie have New South Wales number plates on them.