2 spots.
First On the eastern side of the Morayfield Road Bridge. Gives you 1k down to the weir, 1k upstream to the water pipe which crosses the river. Small bank easily climbed down of about 1m. Park wirthin a few feet of the bank.
Second is a new estate off river drive next to the bridge over the river. Its not on any on the maps yet, its that new, cant remember the name of the street. But you cant miss it. Look for the huge fig tree on the northern side of the road, western side of the bridge.
Needs a bit of a portage, down a steep grassy bank (trolley will work ok) and across the paddock about 100m. Pretty much straight in front of the big Fig tree. Grass is usually not to bad, mowed fairly regularly.