Download Terrain Data _top_ May 2026

Extremely high-resolution (1-meter) data for the United States.

NASA provides access to the ASTER Global DEM and the NASADEM (an improved version of SRTM). 30-meter global coverage. Best for: Scientific research and climate modeling. 3. OpenTopography download terrain data

Some sites offer "Raw" data vs. "Processed" data. If you don't want to deal with "voids" (holes in the data caused by clouds or shadows), look for datasets. Step 4: Download and Project download terrain data