Have you ridden out on Prentice Cooper WMA? Tuff (my wheelin' partner in the NOAS) and I rode a trail/road called Haley Rd. through that management area and it was a lot of fun. You could do the majority in 2WD with the exception of the staircase at the end which has a side trail to bypass it.
Here's me on the staircase:
And a creek crossing you might have a little trouble with but doable. It's deeper than it looks I found out.