Vilaine River drainage basin, Brittany, France.
travail personnel (own work). 
Data sources:

Background map: data from NASA Shuttle Radar Topography Mission  (SRTM3 v.2 &amp; SWDB) (public domain)
Rivers and drainage basin : this map and this map from www.gesteau.eaufrance.fr, and maps from Demis (see the approval e-mail and the Demis forum).
Bathymetry from Demis
Locator map made from Blank_map_of_Europe_-_Atelier_graphique_colors.svg created by Historicair under GFDL &amp; CC-BY-SA-2.5
Department borders from Image:Bretagne region relief location map.jpg by Sting under licence GFDL &amp; CC-BY-SA-3.0
Other things (scale, symbols, ...) from Image:Maps template-fr.svg by Sting under GFDL &amp; CC-BY-SA-3.0.Softwares used:

NASA datas edited with 3DEM and Global Mapper 9 (limited version) by the United States Geological Survey (USGS)
Demis data edited with Demis Mapper
Vectorized with Inkscape
Cartographic tutorials (in french)Others:

UTM map projection
WGS84 geodetic system
Shaded relief (ligth direction) : altitude 80°, azimuth 315°
Font: Arial
The background map is a raster image embedded in the SVG file.
Sémhur