^I agree, also it's pretty long.
The second best is either Logger's Leap or BPB's flume, Logger's has the great airtime double drop that everyone have already mentioned, but it's a bit boring otherwise. BPB's flume is very long, but boring in the way that you see the whole "track", there are in that way 'no surprises' and no trees surrounding it.
I haven't been on the Chewits flume so I don't how good it is.