Thanks to Ally - I had a bit of fun reading the map. Here's what I came up with on a first pass. Sorry that the drawing elements aren't great as I was using preview
16th - a medium sized par 4, I liked the idea of having the green on a high, and being tilted from back to front and left to right (from the fairway), so that the optimal angle will be coming from the way right. From the left, players would either need to hoist one up over the tree, or play towards the front part of the green.
17th - Redan esq par 3, it just made sense given the drop off from R to L. I also liked playing downhill a bit and through a valley (if I'm reading it right).
18th - Loved using the natural shape of the ground to create a funky green with a little hump in the middle. A drivable par-4 to end! Maybe add a bunker or something to create a force carry, but quite like it as is.
Just looking at it again, think there are some space issues as the 18th green is quite close to the hitting line on what would be 16. Don't think there's that much space for galleries and infrastructure, and it's not very long. But I'd quite like playing it
(which is not the brief!).