I see trails only in this map in Basecamp.
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Source and some detailed instructions :Quote:
It is important to only have a single routing map enabled at a time. So, if you want to route by snowmobile trails, make sure to TURN OFF routing highway maps. Otherwise it will try and route you by highways and roads instead of snowmobile trails!
Not the same map provider but it fits as well ;)Code:http://backwoodsgpstrails.com/wp3/using-autorouting-snowmobile-trail-maps-on-nuvi-500/