I have been trying for ages to find out where the site referred on the Deeside Birding web site as the Caldy Wildfowl Collection is actually located. I even looked for it specifically recenty going from the east to the west along Column Road and didn’t see it. Recently, driving the opposite way, I located it :
It looks like you could park on Grange Cross Lane and walk along the public footpath. I’m not sure if this is just a nightime roost.