In Reply to: Adventures to be taken up on! posted by imortalsoldiers on Thursday, 1. September 2011 at 18:42 Bali Time:
Don't know about costs of other stuff you mentioned but if you're after adventure there is a crew that does a mix of canyon tubing (pretty tame but heaps of fun) and buggy or quad biking. Have prices on their website
http://www.baliquad.com/tours/rates.html