We have something called the TET here (trans Euro trail) and is suited to bikes like a DR650 or smaller most of it is paved or easy gravel roads but some of it is tough, I see people on bigger bikes complaining about the tougher bits and also see the mess the bigger bikes make on the tougher bits and i see people complaining there isn't enough off road, there's always people who complain about everything but not willing to do anything about it themselves