In answer to your question... yes this boulder is the absolute highest point of "Peak Z". It is kinda nice to have to use your hands to get to the very top after dealingwith nothing more strenous then steep bushwacking.
"So I was sitting in my cubicle today, and I realized, ever since I started working, every single day of my life has been worse than the day before it. So that means that every single day that you see me, that's on the worst day of my life."
--Peter Gibbons (Office Space)