Bathymetry of Lac Neuchâtel: Topo-bathymetric LiDAR and sonar data published online

The Swiss canton Neuchâtel published the combined LIDAR-sonar bathymetric dataset of Lac Neuchâtel online.

2D geoportal:

LiDAR geoportal:

The detailed background of the LiDAR data acquisition carried out in March 2020 by AHM, and the sonar survey by Swiss University of Bern are available here (in French):