Hi Tom,
Thanks for your message. Driving off-road here is very much regulated and most tracks and country paths are not opened to cars (except if you're a farmer or woodcutter). This said, best way is to join a club and with the proper authorization, you can drive up some remote areas in the mountains. The scenery is great but it's a small country. France, Italy and even Austria are within reach so that gives some options!
Bye
Patrick