From the website:
It's not a usual kind of hill: people develop personal and profound relationships with it, and they have done so since time began. It's one of the world's more prominent sacred sites. Visiting the Tor seems to activate deep imagery, inspiration and energies within. Sit on a seat at the bottom, and watch people trogging up, carrying their burdens, preoccupied with their lives, looking for something... or just walking the dog &endash; and when they come down, they're singing, chatting, and their spirits are bright. Why? We offer some clues here!