Topographic map of the Harz

This topographic map of the mountain-region "Harz" includes rivers, contourlines, POIs and of course trails and roads. Some of the trails are wrong though or not complete, but except for that it's a really nice and detailled map. The site is only in german, but it's still possible to find everything, and in case you get lost google translate might help you. You can download it as a .zip file which includes three .img files, which you can either integrate manually in Mapsource or send it directly to your Garmin GPS device .