It’s a bit like watching a watery rodeo this film as these intrepid travellers attempt to ride the dozens of sets of rapids whilst the Colorado river does it’s best to upend them from their flimsily constructed, lightweight, craft. It’s easy to see why someone concluded this might be a good place for hydro-electric power as this river hits full spate and makes their journey perilous (we even see a skeleton to reinforce the point!). There is a short break from the action for some wildlife watching and some trout fishing but mostly this is all about some daring photography of the Grand Canyon, it...