I'm trying to trace trails for a property I work on. Their trail system has a lot of trails. Some of them loop and some end and there are many connections within it. It's a whole network. I can manipulate it with ArcMap to make it one feature or a few or whatever I want, but when I load it to Basecamp as a kml file, it explodes the file into many dozens of little pieces of trail. If I want to display it on the device, I have to individually instruct each of dozens of bits to show on the map. Not only that, but in basecamp before I load it to the device, I have to individually rename them so I know which ones to turn on, and also change the colors. This is a pain. It takes hours. I tried to join them in basecamp, which does make it into one file, but it also draws dozens of new lines to connect all the ends, which do not actually exist in the trail network. I tried taking that one file back in to ArcMap to cut out all the nonexistent connectors (which is also quite laborious), but when I bring that edited file back, it's back to many dozens of bits again. Is there any way to do this in a reasonable way? I also want to join multiple tracks of where I walked off trail into a single file and show those as well. This really should not be difficult.