Your castles are brilliant, beautiful and inspiring, and this is probably one of my favourites (then again, I have a weakness for High Gothic architecture so I'm probably biased there). Awe-inspiring work.
I would recommend several men with boards. They would lay down a walkway across the top as they went, then pull the planks up behind themselves. This creates the problem of carrying long boards through miles of wilderness. Maybe the men make them when they arrive. Course there is probably a monster or two thousand in the maze also. The owner probably flies.
I will follow you everywhere. You are really good.
I'm already lost in there!
Awesome job!! How long did it take you?