- Topo mapsets for Maine (50-ft. contours) and Massachusetts (40-ft. contours) available here.
- GPSFileDepot now has a topo mapset for Mississippi (in addition to its topo mapset for Arizona). New Mexico is coming soon …
- Ibycus has used 2007 Census TIGER data to generate a mapset (roads and geographic features) for the entire US. They also have a 1:50K-equivalent topo mapset that covers most of Canada.
- Routable street maps generated from OSM data for most of Western and Central Europe, Australia, New Zealand, the Philippines, and a few other scattered areas at the Open StreetMap for Garmin site. The map on the site’s front page only shows coverage areas; to get installable mapsets, or the original map code used to generate them, go to the Download Area. There’s also an additional mapset for Baghdad available on the site, but not yet listed on the download page.
USGS Topo Maps, Aerial Imagery, And Scanned Maps On Your Garmin GPS!
Choose The Right Option For Your Garmin Handheld Model
 
Actual screenshots from a Garmin Oregon! |
G-Raster For The Garmin Colorado/Oregon/Dakota/62/78 Series“… great (tool) for creating custom maps ...” GPS Tracklog Blog “… easy as 1, 2, 3.” gpsinformation.net “Works great!” GPSFix "Holy crap; this looks amazing.” GPSFileDepot Click here for more info on G-Raster |
 
Actual screenshots from a Garmin 60Cx! |
Moagu For The 60C(S)x, 76C(S)x, And Some eTrex Models"... Moagu rocks! This really is revolutionary!" GPS Tracklog Blog Click here for more info on Moagu |
Related posts:
- Put USGS Topographic Maps, Aerial Imagery, And Other Raster Imagery On Your Garmin Handheld GPS
- High-Res Garmin Topo Maps For CO, WY, and UT (also Argentina, Uruguay and Chile)
- Even More 1:24K-Equivalent Garmin Topo Maps Now Available
- More Garmin Maps From Open Street Map Data
- Free 1:24K Garmin Topo Maps For NH, NV
- Updates On The Garmin 1:24K US Topographic Map Front
- G-Raster Updated: Raster Imagery In Garmin Handheld GPS Units
- Google Maps Search Interface For Garmin .img Maps
- 1:24K Garmin Topos Now Available For Idaho
- G-Raster Version 1.3 Released – Raster Maps On Garmin GPS Units
There is a site which gathered all free Garmin GPS maps which are available on the Internet:
http://www.mapsntrails.com/
Enjoy and have fun :-)
I downloaded and installed the mapset for Baghdad.
Sadly it ruined my MapSource. I had to uninstall the map to make MapSource work again.
Here’s a link to Switchbacks.com, AKA Northwest Trails, for the purposes of this post. Trails are catagorized into general groups. The compliation is great and is growing. In my area, anyway, the data has been of high quality.
http://www.switchbacks.com/maps/NW_Trails.html
From the swichbacks.com website:
What is Northwest Trails?
In short, Northwest Trails is a mapset of trails designed for upload to any map-enabled Garmin GPS receiver. It is more than just a mapset, though; it is also a community effort initiated to record and collect GPS data for trails in the Northwest (Washington, Idaho, Oregon, Montana, Wyoming, British Columbia and Alaska) and provide that data for general public use.