Silbury Hill 180
Image by bawn79

Mustard wrote:
I suspect that would definitely help - especially if there was a circular pathway around the base of the hill, meaning tourists would be constantly walking around it.
You'd need nerves of steel to climb all the way up and then all the way down with the catcalls and hisses of the disapproving public ringing in your ears and the flashes of their cameras in your eyes and youtube waiting to broadcast your naughtiness to the world.

I reckon that's cracked it and all it would cost EH is a nice bit of green wheelchair-friendly walkway and some extra notices. I love it as it's a simple and inexpensive yet highly effective solution that came from and would be provided by the community. They have to provide stewardship that UNESCO approves of and they'd gobble up anything that's community related.

Just remember how many people used to climb Silbury at summer solstice!
Here's a pic from 1997 - at least a couple of hundred people, all dancing on top of what turned out to be a few planks and some soil covering a void:

http://www.stevemarshall.org.uk/oldpans/silbury.jpg