Yikes, inquiring minds want to know...
Well Valley Club, despite how I played them (mostly bogey/ double golf, but a couple pars and one birdie) had a few holes that were a bit under stated from some of the best holes there. 1 and 2 as opening par 5s in a row were pretty straight forward (as an after thought having only played the course once) where the strategy after one plays them seems to me to be 3W or less off tee, iron to lay-up and flip to green. The business was better on the green on 1 than 2, in my recollection. I can't actually remember what the short par 4, 6th presented as the striking feature that most short 4s have. I just wasn't wild about the dogleg 9th, or mudslide affected 10th. 16 is rated #2 handicap, but it is just long, not too interesting in LZ or approach. 17 was a bit of a breather before turning home to one of the most wonderful views and inviting fairways up to the club house I have seen (as is 15 similarly situated and challenging) and both are excellent holes IMO. I loved all of the par 3s there. The bunker work and placement in relation to greens contours was great. But, one play isn't enough to pick up nuances and consistent feature challenges that thwart routine pars and confound the player. So, I don't call this criticism as much as looking back on one play and trying to think of what specific hole design didn't WOW me over.
As for Rustic, a much tougher one to find a weak hole, but there must be one.
I'll pick #2, 4, 11 and 12 as the candidates for weakest on that course.
But, I had to go shoot my mouth off in my reply to Will and say each course lingers in my memory because they are so great, yet I tried to mitigate adding "yes there are some week holes on the courses, but only about 1 or 2 per course". I am not going to stand on any soap box and claim these holes are weak by anything other than comparison to the other great holes on these courses.
Finally, Barona 2, 10, 12 and 15 are ~weaker of those on that course.
So now I'll be moseying on over to the woodshed for a good thrashing by Pete and Bill