That's some really cool looking terrain.

It looks like on this map that it's about a 9-10 mile loop. I doubt you'll have much trouble there.

I wouldn't expect many trails not shown on your map. You might see some game trails and few lessor used spur trails, but the main trails and forks in them should be pretty easy to know.

When you're down on the creek trail there you really can't get lost. If I did this trip I'd probably start with the creek trail and take the Buckeye Trail out, but I'd be very tempted to do an out and back along the creek. I'd have to decide once I was there. That looks like it might be pretty darn nice down in there and if it was I might have to hang out there as long as I could get away with it, and I wouldn't feel bad about it either.