SiliconFiend Posted August 17, 2007 Share Posted August 17, 2007 I've done a lot of searching, in this forum and on the web, and it seems that there are no good, comprehensive trail maps available for GPSrs, specifically for Garmin. I've looked at all (both!) the official Garmin trail-type maps. The National Parks Topo seem to have the right detail--complete, routable trails--but the coverage is limited to national parks. Plus, it's US-only. The Topo US maps have some trails but not all, and they're not routable (a minor point, but it should be easy to do--rarely are there turn restrictions or one-way segments on trails as you would get on roads). I'm not all that excited about topo anyway; at the least I'd like to have it as a separate map set so it could be turned off to declutter the display. I'm looking for something with the detail of the National Parks map set but with coverage of trails in national, state and regional/county parks. Ideally it would have the trails, key features/waypoints, vegetative cover (so you know if it's one to avoid on hot summer days). That doesn't seem to exist. (Maybe it's a lucrative opportunity for the motivated individual). I've looked into publicly-available GIS sources for trails for creating my own maps. There is some data out there, but it's going to be a lot of work to convert the various formats, piece things together, etc. Unless I find something already done, this is probably the painful route I'll pursue. I did find one map at MapCenter for nearby Annadel State Park which is about what I'm looking for. In my dream world, what would be ideal is if Garmin devices supported an open map format, then we could create a comprehensive map data set (or build off of OpenStreetMap.org) to use. But I'm willing to bet that Garmin's map sales are subsidizing the cost of the devices. So, you pay one way or another. Sorry for the rant. Anyone have any thoughts/suggestions/volunteering? Quote Link to comment
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