Visit the streets of anywhere in the world on your Garmin GPS with detailed maps of routes, points of interest, hotels, restaurants, fuel stations, tourist attractions and more. All thanks to the giant database of OpenStreetMap, which is normally updated daily, also can be downloaded free.
Free worldwide Garmin maps from OpenStreetMap, several options were shown to download: In Choose your map type select default Generic Routable; Include a TYP File select None; Choose a predefined country, select the country of interest; and Request your map or download it directly clic on Download map now (also on the left side of the page on a smaller scale blocks are activated for download).
In the next window to download the file osm_generic_gmapsupp.zip, then decompress it (the other options permit mapping to load from different operating systems with corresponding software).
Now with the file gmapsupp.img, perform the following steps:
The models tested to date are GPSMAP, etrex, nuvi, montana, oregon.