Ken pointed out that Google Earth now has high resolution images of Snake Valley. I just checked a few other places that I observe around Melbourne and there seems to be a significant upgrade of resolution in many places.
Look at Hanging Rock:- 37°19'48.88"S 144°35'38.76"E
Here are the concrete telescope pads at Macedon Ranges Observatory:- 37°12'43.33"S 144°37'38.90"E
ps. Ken, your car is in the driveway and I think I can make out your mini-observatory