I have not been in but OH has taken a dip in Stenson lock on our maiden voyage. Learnt a lot that day! Couldn't thank the gentleman who was having coffee in the cafe lock-side who came over , made a small lassoo loop by way of a step for hubby to hoist himself up on. Luckily, the lock wasn't full as Stenson is a deep one. It happened because he threw the rope up to me, I missed and it dropped back onto roof of boat. After retrieving and throwing again, he turned and slipped off. Resurfaced, still with hat on looking very shocked.