There is a part you drive up a creek? By Gray Cliff is was a nice gravel road you could drive your car on. Later on the was some mildly challenging stuff that might give someone in a stock rig a problem, but overall the trail was really easy. Later on that trail was so over grown and narrow it barely fit my four wheeler.
I wish they would stop making all the trails easier! I don't know of anything that is challenging (in the Cache area) for me in my Toyota or four wheeler and neither are really anything extraordinary.