GEBCO Grid

Global ocean + land terrain model (~15″). Best free bathymetry source for undersea levels, coastal games, and planet-scale heightmaps. Not for navigation.

At a glance

Licence: public-domain
Commercial use: commercial OK
Credit: Required
Status: active: License spot-checked at the source; the entry carries dated evidence.
Verified: 2026-08-24 (32d ago)
Formats: netCDF, GeoTIFF, ASCII

Credit line

GEBCO Compilation Group. Users must acknowledge the source of The GEBCO Grid.

Go to source View the file on GitHub Report a problem with this entry

Notes

Current release: GEBCO_2026 (tiles / global / OPeNDAP).
Must attribute GEBCO; must not imply IHO/IOC endorsement.
Related land DEMs: nasadem, etopo-2022, jaxa-alos-aw3d30.

Evidence

Live Terms of use (2026-08-24): “The GEBCO Grid is placed in the public domain and may be used free of charge… Commercially exploit The GEBCO Grid… Users must: Acknowledge the source…”