How to

Garmin GPS custom maps import

How to import custom maps to Garmin GPS

This image step-by-step tutorial is available for Garmin devices, that support Custom maps. The actual list can be found at http://support.garmin.com/.

An overview of compatible devices

  • Oregon series
  • Dakota 10 and 20
  • Colorado series
  • GPSMAP 62 series
  • GPSMAP 64 series
  • GPSMAP 78 series
  • Rino 600 series
  • eTrex 20 and 30
  • Astro 320
  • Alpha 100
  • Edge 810, 800 and 510
  • Montana series
  • Monterra
  • BMW Motorrad Nav V
  • zumo 590


With MapTiler, it is quite simple to upload a custom map into your Garmin handheld GPS navigation. You can use any available raster online map or scan a paper map. In MapTiler choose Google Earth option

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Drag and drop the image inside

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Confirm suggested coordinate system

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If the image contains geographical location, it is picked up automatically. Otherwise you can assign location visually, define the bounding box or load it from external file. This tutorial shows the Assign location visually option

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Find at least three of the same places on both maps. Be as precise as possible — use intersections, churches, bridges or other landmarks. When you are finished, just click save.

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In the right bottom corner is a preview of the Georeference. You can always change it by clicking on the “change” button. If you are satisfied with the result, click on Continue

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Check the Garmin option and click on Render

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Create a new directory and wait, until your map is rendered

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View this map allows you to preview in the Google Earth application, where you can check the precision of your overlay

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Open the created folder and pack the directory and doc.kml file into the zip archive

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Rename the zip file and change the extension to .kmz

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Important note - some systems still keep the .zip extension after changing to .kmz. Make sure you are using only .kmz

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Connect your Garmin device and go to the folders Garmin -> Custom Maps

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Copy the created .kmz file into your Custom Maps folder and disconnect the Garmin device from your computer

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In your navigation, go to Menu -> Setup Map

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Go to Select Map

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Search for the Custom maps

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Enable Custom Maps

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Now, you are finished. Your map will be loaded with your position on top of the map.

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