Here is an example of a route that would take you on some great roads going through NB.
https://www.google.ca/maps/dir/44.82...!1m0!3e0?hl=en

If you have time you will want to go here for sure
https://www.google.ca/maps/place/St+...!4d-65.5232334

And most definitely here for some of the best views and amazing ride. It's a park but worth the 8 bucks to ride!
https://www.google.ca/maps/place/Fun...!4d-65.4039744

What type of GPS are you using?
I have many more spots you can see but it depends on how much time you have. Good luck and safe travels.
Lloyd