I was just there on my way to the BVI's... I looked for info before I left and didn't find much.
Puerto Rico, white water
American Whitewater - PR State Rivers
Whitewater rapids in Puerto Rico? - Yahoo! Answers
there is a ton of shit in P.R. lots of it real steep. Theres a doctor in New Mexico who ran a bunch of it years ago. Adam Putnam..... he is the cat who skiied OB off of some place in New Mex and got lost for a couple days... 2-3 years ago. Find that dude and get the 411
I know Kashi bar didn't see anything except some glowing bugs and the bottom of a bottle