Version 3.x of Topo is very old. I bought it a couple of years ago and it's "TOPO U.S. 100K v5.01" It installs automatically on the C: drive, not good if you like to back up your C: drive completely. The map files take up a lot of room (~ 3 GB for TOPO and the same for City Navigator). I contacted tech support to see if I could get them installed on my data drive (E: in my case) instead. The bottom line is that you can move them over and then put a link (shortcut) back to their original location on C:. Here are the details...
Thank you for contacting Garmin International.
I will be happy to help. During the install process there is a browse option for install location. The instructions below are instructions to relocated the already installed maps.
Installing maps to the computer will allow them to be viewed in BaseCamp and other applications. In some circumstances it is beneficial to relocate the map data to save space on the system drive.
To move the map files to an alternate location1:
Windows Vista and higher:
- Press the Windows key+R
- Type %programdata% and press Enter
- Open the Garmin folder
- Open the Maps folder
- Right-click the desired map to move
- Click Cut
- Browse to the desired alternate location
- Right-click a blank area in the directory
- Click Paste
- Browse back to the Maps folder on the C: drive (%programdata%\Garmin\Maps)
- Right-click a blank area in the directory
- Select New
- Select Shortcut
- Click Browse and browse to the location of the relocated map
- Click Next
- Click Finish
Start BaseCamp or MapSource to view the maps. The maps will be loaded from the alternate location.
NOTE: If the maps are uninstalled from the computer, any maps moved to an alternate location must be deleted manually. They will not be removed automatically as part of the Windows uninstall process.
BTW, regarding the completeness of the maps, City Navigator has most of the dirt roads, if not all, shown on TOPO, but it allows routing, which TOPO does not. To find a route between two places, I start with the TOPO map displayed and set the start and end of the route I want. The program shows a straight line between the start and end. Then I flip over to display the City Navigator and tell it to recalculate the route, which it does following the dirt roads. Then I copy the route to a track and flip back to displaying TOPO. Bingo, you have the route displayed with the TOPO map. Copy the track to your Garmin GPS and you can follow it.
It's a little convoluted, but it works and isn't too difficult once you do it a couple of times.
- Steve