It was the first trail i ever went on with one of my co-workers who had a new jeep as well. Here is our trip in everytrail:
I think you will be fine, there are a couple of intersections along the way, so make sure you know the route to take.. You can always turn around if you're not comfortable, but like it was said above, it can mostly be done in 2WD.
2014 JKUS Copperhead
3.73, connectivity, side air bags, RBZ-430 (non-nav), Premium Soft Top, 2.5" TF Coil Lift, Monster TB and Front Lower CA's, LT285/70R17 Toyo Open Country II's on Fuel Trophy's 17x8.5", LOD Full Width Front and Rear Bumpers with Tire Carrier, Goodridge Stainless Brake Lines