Free Garmin Edge OS-style maps
If you’ve got an Edge 800 you’ll know that the basemap is useless, and that the official Ordnance Survey Discoverer map is OK, but expensive and cluttered when zoomed in.
TalkyToaster did some good work taking OpenStreetMap data and presenting it in the Ordnance Survey style. I’ve done something similar, except I’ve tried to make it a bit clearer (wider tracks and roads, brighter colours etc), and more importantly, I’m not charging for it.
This is my first foray into Garmin mapping so I’ll try to update this image as I get more familiar with the map creation tools. The map below is based on the most up-to-data OSM data.
Huge thanks to Nick Pinn for starting me off with his OS-style type file and providing helpful support by email.
Download link and installation guide below the screenshots.
Copy directly to your Edge 800’s memory card. I see no reason why this shouldn’t work on the 810 or Touring.
Enable the map:
Go to Settings -> System -> Maps and make sure it’s enabled. You might want to adjust the detail level as it can get a bit cluttered on levels above “Medium”. I’m aiming to fix that it in the next release.
Notes:Posted 3 years ago
OpenStreetMap data is good but is missing the odd path. It’s also not verified and subject to error. Relying on this as a sole navigation source is foolish at best and reckless at worst. That being said, I’ve not encountered a problem.DavidBSubscriber
Great work Flaperon. I contacted the guy from talktoaster to ask how to create the garmin files from raw data, he did not respond. Is it relatively easy? As I have managed to create gradient lines (chevrons) and NCN overlays for OSM but not yet got round to garmin’ising it.
Also, massive chapeau for not charging for it.Posted 3 years agocrashtestmonkeyMember
Top work & thank you. Are all Edges the same? Should it work on my Etrex 20?
yes. I renamed it “gmapsupp” as according to the manuals thats the .img file name the etrex needs to recognise it, and its currently installed via the microSD card in my Etrex20.
Havent had chance to use it yet but cheers to the OP.Posted 3 years agotootallpaulSubscriber
Simmy- does your touring have OS maps on it?
You may need a larger card if so.
I picked up a 16gb card, and then moved the OS maps onto it, and all the others.
The menu then allows you to select the appropriate map.
I believe you can also attach a map to a bike profile.
PPosted 3 years ago
Where am I going wrong with this? I’ve downloaded the Dropbox file and put it onto a new memory card, but it looks nothing at all like the screenshots on here. I’ve tried altering the level of detail on the maps, but it makes no difference.Posted 3 years ago
If it makes any difference, when I tried to open the file before putting it on the card, it said it was corrupted.
Try downloading it again? If you’re copying it to a brand new memory card, let the Garmin initialise the card before copying it over to the “Garmin” directory.
If you’re putting it in the root directory of the card, it probably won’t work. Should amend the instructions, really!
To be absolutely clear, it needs to be in the \Garmin\ folder on the card.Posted 3 years agopiesoupMember
Thank you very muchly, much appreciated!
I have spent the weekend trying to get my head around this Garmin mapping system. Are you able to clear a few things up for me please?
So the gmapsupp.img is a map, correct? When I select and add maps with MapInstall, how does this differ from just copying the .img file directly to the sd card?
I can choose between the maps I’ve added with MapInstall on the Garmin’s menu. How do I choose between the .img files I’ve added? Surely as they have the same name only one is allowed on the sd card?
Thank you again for the maps, will try them out tomorrow. And thanks if you are able to clear up my badly worded questions above!Posted 3 years ago
I’ve downloaded it a few times and tried it, but it’s always the same.Posted 3 years ago
Its obviously me, cos I’m hopeless with this kind of thing.
As for putting it in the directory or garmin folder, how do I do that.
Here’s what I did, downloaded it, put my new card into my laptop, right clicked on the Dropbox download, send it to new card.
There’s no mention of directories or folders or anything.
I need a real idiots guide to things !ike this, which is incidentally why I’m using a new card so I won’t bugger the original one up 😆
Well originally I was just sending it to my new card by right clicking and sending.Posted 3 years ago
I never knew it had to go in a folder- I know very little about computers apart from internet browsing-I didn’t even know how to open my new card to see what was on it, so I had a little dig about the internet and found out how to open it, and hey presto there was my garmin folder and ahem 😳 four lots of Dropbox downloads from where I just kept sending them lol.
It was just a matter of dragging one of them to the folder and that was it, and deleted the rest of them. I’m assuming the garmin folder was set up because I’d put the card into the garmin, so I didn’t even have to make a folder, which was good cos I’ve never done that either 😀
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