You will find in Morocco, european hikers paradise, many different landscapes. Among the most surprising of them is the dune area near Merzouga.
You can see the photo gallery of the trek on distant trails (also works on iPhone and iPad).
You will need Adobe Flash Player to see this gallery (unless you use an iPhone or iPad). The lower right button of the gallery navigation bar will allow you to see the images full screen.
Thanks to Google Maps, you will see below the trek map.
Click on "View on a larger map" to see a full screen map and to be able to load it in Google Earth plug-in and see a 3D view. The trek trace you see is not coming from a GPS, so do not try to use the coordinates to perform some actual navigation.