How to install OS maps onto a Garmin GPS unit - Ordnance Survey maps
In this article and video, we look at how to install an OS, Ordnance Survey map card into a Garmin GPSMAP67/ GPSMAP67i and a Garmin Montana GPS unit.
-
Open the SD Card Slot Cover
: Gently remove or lift the protective cover over the slot.
-
Insert the Card into the GPS unit
- Align the card with the slot, ensuring the contacts face the correct direction (usually downwards or towards the device, depending on the model).
- Insert the card until it clicks into place. Do not force it, if it doesn’t fit, check the orientation.
-
Close the Cover
- Ensure the slot is sealed to protect against dirt or moisture
-
Power on the GPS Unit
- Turn your Garmin device back on.
- The device should automatically detect the OS map card by default.
- You might see a loading screen or a notification indicating the map is being read, and it may take a little while as it loads for the first time.
-
Verify Installation
- Go to the map view and zoom in on a detailed area to ensure the OS map is displaying correctly.
- If the map doesn't appear, double-check that the card is properly inserted.
The video below takes you through installing the OS map card into a Garmin GPS unit.
I hope this helps, if you have any further questions please do get in touch.
Further reading
1. Map options for a Garmin GPS
2. Garmin map options for Ireland
3. Do you need OS maps on a Garmin GPS unit?