Datasets
92 hydrological datasets from 54 providers. Every entry links to the provider's own files and terms.
DEM
NASA SRTM 30 m (Global)
30 meter digital elevation model
DEM
Copernicus DEM GLO-30
30 m global digital surface model from TanDEM-X
DEM
ALOS World 3D 30 m (AW3D30)
30 m surface model from PRISM optical stereo
DEM
ASTER GDEM v3
30 m global elevation from ASTER stereo imagery
Observations
ASTER Global Water Bodies Database
30 m water body map produced with ASTER GDEM
DEM
Copernicus DEM GLO-90
90 m global digital surface model
DEM
FABDEM
30 m bare-earth elevation from Copernicus GLO-30
DEM
GEBCO Global Grid
Global terrain and bathymetry at 15 arc-seconds
Flow
HydroSHEDS Core
Conditioned DEM, flow direction and accumulation
DEM
MERIT DEM
90 m DEM with major error sources removed
Flow
MERIT Hydro
90 m flow direction, upstream area, river width and HAND
DEM
NASADEM
Reprocessed SRTM with ASTER and ICESat corrections
DEM
USGS 3DEP Elevation
Lidar-based elevation for the United States, 1 m to 1/3 arc-second