Helmcken Falls and Wells Gray Provincial Park, British Columbia
These shots I took in May of 2006 when the falls were in full flood.
To see a video of the falls:
http://www.youtube.com/watch?v=T_M28e3MypU
Here's a list of the other waterfalls in Wells Gray Park:
http://www.waterfallsnorthwest.com/bc_database.php?t=4&category=location&query=Wells%20Grey%20Provincial%20Park