Great points all! I was 99% sure I wanted to do it already, but since I wrestled with it initially, I thought it would make a nice topic here.
My first thoughts were also Crystal Downs and Cape Breton...nice addition examples thus far.
The sequence of holes will definitely fall in the middle of a nine hole loop, but unsure of which one at this point.
I am not a fan of shuttles, so never thought of this as an option, and don't think it necessary here. In reality, adding 600 yards total to an entire walking experience is nothing more than the difference in playing a 6700 yard course vs. a 7300 yard course. I don't think anyone decides whether or not they want to walk based on yardage, really, within this realm of distances, but more on severity of the terrain/walk.
Re. where it is...don't get all hot and bothered. It's in Southern California, so check back in 8-10 years, and we should have our grading permit by then! Also, just so you know, the course that gets built will actually be our 19th revision of this first routing, and there's a fair chance these holes will have been eliminated. Of course there are exceptions to the rule, but the essence of good design these days in highly scrutinized areas is in how the designer can guide his best design thru the maze of darts and daggers called "approvals and permitting".