Bryn Llewelyn BnB: Rope walkways through the trees, climb a tall tree and then jump (yes really! - but you do have a harness on) or go Sky Riding on a giant swing.
Bryn Llewelyn BnB: When you go through the entrance, go to the tower on your immediate right as there is a little museum explaining what is where in the castle - I think it's called Eagle Tower.