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Maps for Garmin based on OpenStreetMap

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What can you do with the maps?

Maps can be installed on Garmin GPS's, as routable maps that will give you turn by turn instructions to go to a given place (depending on device's specifications). It can also be seen in your computer, where you can calculate your routes, using MapSource or BaseCamp Garmin software, or the open source programs QLandkarte GT or QMapShack. With the topographic maps you can also calculate profiles for your routes.

Viewing the maps in your computer:

  • Linux: you can use Qlandkarte GT, its sucessor QMapShack or MapEdit++ (the latter is for Windows, but works fine under wine). For all of them, first step will be to unzip downloaded file in the folder where you want to keep the maps. Files named «OpenStreetMap_*.exe» can be uncompressed with p7zip (7z e OpenStreetMap_*.exe). To use the map in QLandkarte GT use File->Load Map menu. Then give the path to file AAA-XXX.tdb in the folder you uncompressed the map and then to file AAA-XXX.img. AAA is the ISO code of the country and XXX a three digit code different for each map.

    You can also use MapSource with wine and load maps running the auto-install file (wine OpenStreetMap_*.exe) or installing maps with MapSetToolKit (wine MapSetToolKit.exe) as described below:

    • Unzip downloaded file in a directory of your choice.
    • Run MapSetToolKit and click «Install» button placed at the bottom right corner. A dialogue will appear with some blank fields:
      • Registry name: introduce any name for your reference.
      • TDB file: browse to the file AAA-XXX.tdb you have downloaded.
      • Overview map: browse to the file AAA-XXX.img.
      • Maps directory: it is filled automatically after giving the path to the files above.
      • TYP files: same than with previous files, but searching for AAA-XXX.TYP file.

      Installing a map with MapSetToolKit

      • Click «Install», close the application and you are done. You now have the map available on MapSource and BaseCamp.

  • Windows: maps can be used with the open source programs Qlandkarte GT, its sucessor QMapShack or MapEdit++ or with Garmin software MapSource/BaseCamp. For the first three, you must start uncompressing downloaded file in the folder where you want to keep the maps. Files named «OpenStreetMap_*.exe» are uncompressed with 7zip. To use the map in QLandkarte GT use File->Load Map menu. Then give the path to file AAA-XXX.tdb in the folder you uncompressed the map and then to file AAA-XXX.img. AAA is the ISO code of the country and XXX a three digit code different for each map.

    In order to load maps in MapSource or BaseCamp, you just have to run the file named «OpenStreetMap_*.exe» or «Curvas_nivel_*.exe» and follow wizard steps.

  • Mac: you will need the programs Stuffit Expander, Garmin BaseCamp and Garmin MapManager installed in your system. To see the maps on BaseCamp you must proceed as follows:

    • Unzip downloaded file in a directory of your choice with Stuffit Expander.
    • Start Garmin MapManager. You will be prompted to select a file to open. Select the map file previously uncompressed and click «Open».
    • Click «Install» and quit MapManager when it has finished. The map is now ready to be used on BaseCamp.

    Installing a map with MapManager

Installing the maps in a GPS:

  • First of all, download file for GPS of the country you want from Downloads page and unzip it. You'll get a file called gmapsupp.img. The easiest way to have the map in your Garmin device is copying file gmapsupp.img in the external SD/micro SD card of the device, within a folder called «Garmin» (create it if it doesn't exist); in some models gmapsupp.img file must be copied into «Map» folder instead of «Garmin» folder (note «Map» folder may be hidden). This method is also recommeded because in case of any problem with the map, removing the card and restarting device will be enough to solve it. To copy it use a card reader (faster) or connect your device to the computer with a suitable cable, in 'Mass storage' mode (slower).

    Once copied, switch on the GPS, go to Settings>Map>Map Info and enable OpenStreetMap map. The way to activate the map varies from one model to other:

nüvi 300:

Entering map setup on nüvi
Under Map Setup, enter Map Info

Legend HCx:

Enabling map on nüvi
Check OpenStreetMap map to activate it

Entering map setup on Legend HCx
Enter Map Setup

Enabling map on Legend HCx
You have to activate each tile

  • If you don't have an external card, you can use any of the free programs sendMap or Qlandkarte; you can also use MapSource or BaseCamp from Garmin. In the last cases, you first have to load the map in MapSource/BaseCamp as explained above.

Using on Android devices:

If you want to see maps from this site on your Android mobile device, you can use OruxMaps app. For that, follow the steps below:

  • Download file for GPS of the country you want from Downloads page and unzip it. You'll get a file called gmapsupp.img. You can change the name to something more descriptive, such as MyCountry.img.
  • Copy that file into OruxMaps maps folder, by default oruxmaps/mapfiles/.
  • Open OruxMaps app, click on «Switch map» button and select previously saved file.
  • Map setup in OruxMaps

  • For a better visualization of maps, it is recommeded to go Global settings->Maps->Garmin maps settings, and uncheck Wpt labels background, Polygon labels background and Line labels background boxes.
  • Garmin maps settings in OruxMaps

  • Note: these maps are not routable on OruxMaps.

You can leave your comments on this page below:

Comments (56)

Topic: Use
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Mat (Germany)
I downloaded the DEM-maps for germany twice today. The first time I run the .exe-file and extracted the files to the suggested path then went on with the installation and also used the suggested path. Basecamp didn't show the DEM-map. The second time I saved the zip, run the .exe-file, always chosed the suggested paths and once again Basecamp didn't display any new map. It's a pitty that I spend so long trying to get it to work without any results. What can I do? Is there a way to manually ... Read More
Admin:
I'm sorry to hear installer doesn't work for you. If you know the path where other maps are in your computer, you can just copy OpenStreeMap_Germany.gmap folder on that route. Depending on your operating system version, route will vary. You can look at some of the followings:
C:\Program Files (x86)\Garmin\BaseCamp\Maps
C:\ProgramData\Garmin\Maps
C:\Program Files\Garmin\BaseCamp\Maps
C:\Documents and Settings\All Users\ProgramData\Garmin\Maps
Please report if you get it to work and in which folder
6th May 2020 12:48am
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Mat (Germany)
I finally got it to work today: since the installer didn't work I tried manually. to use the DEM-map the folder "OpenStreeMap_Germany.gmap" needs to be moved into the folder where the basic map (the one which comes with basecamp) is stored! It does not work if it is in the same folder with the img-data for the 2D-maps. I've got a 64-bit system with windows 10. So what works for me is: the 2D-maps are installes in "C:\Garmin\Maps" the 3D-maps I downloaded (which is basically the ... Read More
Admin:
Thank you very much for your reply. Sure it will help others with the same problem.
6th May 2020 12:41pm
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Joao (Setubal, Portugal)
Como instalar dois mapas no SD card
Admin:
Mira las preguntas frecuentes
24th April 2020 7:26pm
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Mariano Rodríguez Navarro (SEÑA, Spain)
He cargado el mapa de España gmapsupp_Spain aparece en el GArmin Oregon 550t lo activo y desactivo el otro pero sigue sin aparecer despues.
Admin:
Por favor, explícate un poco mejor. Dices que aparece en el Oregon 550t y luego que sigue sin aparecer ¿?
13th April 2020 4:19pm
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Stefano (birillo, Italy)
Ciao,
Dopo aver scaricato la mappa vado ad eseguire il file exe (windows) ma aprendo basecamp 4.7.1 non viene vista ... c'è solo quella globale. La nuova mappa viene installata in una cartella in c:/programdata
e non viene letta.
Admin:
All'interno della cartella ProgramData deve esserci un'altra cartella chiamata GARMIN e all'interno di quest'altra chiamata Maps. Quest'ultimo è il punto in cui la mappa dovrebbe essere installata.
In caso di problemi, vi suggerisco di installare qualsiasi altra mappa (una diversa) e di guardare il percorso selezionato dall'installatore automaticamente, senza cambiare nulla. Ecco dove dovrebbero essere le mappe.
22nd February 2020 12:15am
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