I did not weigh the KY but I guess it would be around 2.5kg, caught on a piece of squid on a 4/0 owner circle hook.
There is a road down to the mouth of the ure, but it is one long series of bumps. In dry conditions if you take it slow a car should be able to get fairly close to the mouth. The first half of the road is not that bumpy. The “mouth” (river was blind) did not seem that fishy and I am in no hurry to fish there again.