Wife and I scouted this the week prior. Got to the first "pitch" and knew we weren't going any farther. I contacted a climbing friend (Jamie) and we tackled this with relative ease on 3/19/11.
The first class 4 section (at bottom, near tree start point)is easy going up and tough coming down (blind footing); the second class 4 section (the "crux") was tough going up and easy coming down...(of course I was sporting my vintage "Reebok" climbing shoes for the crux. Jamie easily ascended with trail joggers.)
I'm a rather stout fellow at 250lbs; thick at both the shoulders and ahem...rear end. My first attempt at the crux failed miserably, as I was too dang big to squeeze through the crack in the chimney...(small guys, like Jamie, would have no problem and can take advantage of the bomber holds inside chimney). I was frustrated and almost told Jamie to summit w/o me, but he coaxed me into attempting to climb the face which has a number of small ledges for decent footing. (Doubt I have made it w/o my stiff climbing shoes.) Getting down this section seemed much easier, glad Jamie was there to assist. Solo attempts for non-climbers would definitely be dangerous.
I'm not real fond of heights and this summit had plenty. The stiff wind kept me glued to my seat. (see pics) Great views and a beautiful day.
Started about 11 am and had plenty of time to hike up Cathedral Rock afterwords.