a few of us are from Fredericton, we don't get together much though
Check out the NB off road club • Board Index [ Guest ] if you are interested in local runs, sign up for the message board, but don't buy a membership, it's useless.
You can also check out the NB Jeep club NBJC Home - The Front Page they have a lot of runs out of Saint John and welcome all vehicles (I've never gone, but I've been told they're alright people)
Welcome to the maritimes! There are lots of logging roads out there to explore.