An interesting turn. Mark, whoops no I didn't mean the straightaway. When I went past the place a year or two ago, it appeared as though there was some sort of countryside / steeplechase course belonging to the complex.
Now, combing through the websites I see two golf courses are adjacent, RAC and Epsom. Which means that if we do agree Epsom Downs is flat, then perhaps we've managed to find two new flat courses!
Here's a pic of Epsom from the club's website:
Ah, the 5th playing towards the Queen's Stand (or whatever it's called) on Epsom -- uh, doesn't look too flat:
Mark