GEBCO

Gridded Bathymetry Data

GEBCO's gridded bathymetric data sets are global terrain models for ocean and land. The grids are available to download or access through Web Map Services.

Part of the GEBCO world map showing bathymetry from the GEBCO grid and names from the GEBCO Gazetteer of Undersea Feature Names

GEBCO produces and makes available a range of bathymetric data sets and products. This includes a global bathymetric grid; gazetteer of undersea feature names, a Web Map Service and printable maps of ocean bathymetry.

3D view of the GEBCO grid for the Mariana Trench region in the Northwest Pacific Ocean

Seabed 2030

Seabed 2030 is a collaborative project between the Nippon Foundation and GEBCO. It aims to bring together all available bathymetric data to produce the definitive map of the world ocean floor by 2030 and make it available to all.

GEBCO Spotlight

GEBCO_2025 Grid now available

The 2025 release of the global GEBCO bathymetric grid is now available.

Ocean Floor Explore - A Map the Gaps Symposium

8 August 2025

Find out about the Ocean Floor Explore event to be held October 26-29, 2025 in Victoria, Canada.

Release of the GEBCO_2025 Grid

6 August 2025

Find out more about the 2025 release of the GEBCO grid.

Crowdsourced Bathymetry Tools Workshop

2 January 2025

Find out about the up-coming CSB Tools Workshop to be held in New Zealand, March 2025.

Shaded relief imagery for the Arctic Ocean area, based on the IBCAO V5; with (left) and without (right) ice surface elevation information for the Greenland Ice Sheet

IBCAO Version 5 Release Paper

2 January 2025

Access the release paper for Version 5 of the International Bathymetric Chart of the Arctic Ocean (IBCAO) to find out more about the development of the data set.