With good city placement, you can get 3 national parks from that formation, but yeah, definitely a waste of good chocolate.
Not with that holy site thereDepending on city ownership, there are enough mountains that you could probably get all 4 Chocolate tiles in separate NPs.
at least you weren't born in there
But yeah, makes Spain's search for a legendary Seven Cities of Gold seem a bit silly, eh? Many a brave explorer has been lost in an even more dubious (but more rewarding) search for the mythical Chocolate Hills of Sinai.
I mean, they are just hills that turn brown during parts of the year, right? Picturesque surely, but wondrous...?
You haven't left any room for a mountain tunnel to get your naturalist in. You'll have to cut a park, I think...