Replying to NEED A LOCATION FOR TRAMP/CLIFF JUMPING, HELP!

alright so i am hoping to re-create this ( http://vimeo.com/6859249 ) this summer.

I live on the seacoast of NH, and have a house by Okemo in Vermont. I am willing to drive around 2 hours in any direction from either house (NH, or VT) in order to find a spot worthy of this.

the alstead mica mines might work, but i dont think are flat enough to hold a trampoline. What about that quarry in the juice videos? any other spots? lake champlain?