Here's the starting point, going north from Lucas Valley Road near LucasFilms:
Up . .
After three miles of easy, looping cutbacks seems like you're at the top:
But then there's this:
Actually, the photo above is what you see looking back--starting where we left off on the Smith Fire Road circuit makes this whole thing relatively pleasant. At this point I had no desire to go back up that.
But starting at the 650 elevation near LucasFilms means that net-net you're going a lot more down than up.
More evil hills in part II . . .