Want free DEM? Want better resolution and accuracy than SRTM? Geoscience Australia have released more than 245,000 square kilometres of DEM with five metre grid spacing derived from LiDAR! Accuracy is stated as: vertical of at least 0.30m (95% confidence) and horizontal of at least 0.80m (95% confidence). Our spot testing supports this. The data coverage is shown in pink. DEMs for all states and territories can be downloaded from here.