[msquared]

- Select almost any region in the world
- Data is from http://www.openstreetmap.org/
- Installable into MapSource, Roadtrip or download as a gmapsupp.img file.

I haven't seen any trails in this for our area. No Topo either, but have been able to easily get street maps which are routable.

http://garmin.na1400.info/routable.php