The Digital Terrain Model of the Bay of Biscaye and of the Channel is the result of the processing of a compilation of single and multibeam echosounder data, of DTMs and of chart countours produced before 2008 for hydrodynamic modeling.

DTM of coast of Biscay and Guipuzcoa , approximately 250 m resolution. This DTM includes the whole area from coast line to deepest level (144,058 m)

Grid processed for the purpose of the HR DTMs layer of EMODnet Bathymetry HRSM, October 2018

DTM of continental margin of Cantabric Sea, approximately 200 m resolution. This DTM includes the whole area from coast line to deepest level (5216,74 m).