Snowmobile trail map Version 4.0 with AUTO-ROUTING is now available. Added a new line style providing shoreline warning. This trail map update requires a previously purchased snowmobile map installed on your computer. The Version 4.0 update can be downloaded instantly and is also available on a CD. The instant download and installation CD require Microsoft Windows.
FREE updates for existing customers can be downloaded directly from your GPS Trailmasters customer account for a period of 1 year, click Free Update Installation Help for additional information.
Explore our snowmobile trail map. Zoom in to your favorite riding area. Trails are color-coded to identify primary, secondary and club level trails. Click on a trail segment to see the trail name. try "Satellite" view to test the accuracy of our trail maps.  These are the exact trails and trail names you will see on your GPS.