How to get a route from Google My Maps to a GPS device

If you also want to create a gpx file of the route for a navigation device then follow the instructions below:
  1. Open your map in Google My Maps.
  2. Click on the ‘Link’ button in the top right hand corner of the map (see Route
    Creation Seven). 
  3. Copy the highlighted URL link address in the top box (something like http://maps.google.co.uk/maps/ms?hl=en&ie=.......).
     
  4. Go to http://www.gpsvisualizer.com/convert_input?convert_output=gpx 
    and paste the URL link address where it says
    "provide the URL of a file on the Web", tick GPX and click the Convert button (see Route Creation Eight).  NB.  If you would like elevation details for your route, before you click Convert click the little arrow by ‘add DEM elevation data’ and select ‘from best available source’. 
  5. Once the route has been converted click the download link and save as [filename].gpx (see Route Creation Nine).   Remember to call the file something more convenient than the name automatically allocated to it, eg ‘end to end - Day 1’  If you forget when you download it then go to the file location and rename it before creating any more routes otherwise you’ll never tell them apart.
  6. You now need to upload your gpx file to your navigation device using whatever software the manufacturer recommends.

  7. If you have added elevation data you can return to www.gpsvisualizer and under ‘Map this data’ click ‘elevation profile’.  This will provide you with a graph of the route profile.  You can download this or print it direct.  I would advocate downloading it because this will give you the opportunity to manipulate the image if you want to.