Ok everyone - here's the entrance to the place:
https://maps.google.com/maps?q=Silverwater+NSW,+Australia&hl=en&ll=-33.83098,151.053013&spn=0.002587,0.005845&sll=-32.830735,147.451465&sspn=21.365896,47.878418&oq=silverwater&t=h&hnear=Silverwater+New+South+Wales,+Australia&z=19&layer=c&cbll=-33.83098,151.053013&panoid=QLobvhISFe_1SbGoSQZXpQ&cbp=12,225.42,,0,3.63
From there, you can leave street view and then plot out how the fark to get there from home.