Belhus park near London is on 46 acres!
I am working on a 5500 yarder its on about 70 acres, its a bit tight in a couple of places and for the first time I have designed a crossing hole.
TOC is not on a big acreage, we covered this topic once before but its around a 100 I think.
Chipping Sodbury is nearly 7000 yards with a practice ground and on 103 acres, its not tight at all.
Many UK 'city' courses are on around 100 acres.