Map in french of Gotska Sandön (Sweden)
Own work

Sources of data:GSD-Elevation data, grid 50+ nh published by Lantmäteriet under CC-BY 4.0
Bathymetry is based on SRTM30_PLUS.
Additional data : OpenStreetMap, CC-BY-SA Openstreetmap
Silverkey (Mickaël Delcey)