Bowron Lake has decent Bull trout fishing. They move around the lake so keep an eye out for surface movement. If your lure fishing, quick retrieve and something that shines. Fly guys and gals should take note of what nature has to offer. 

This is a catch and release fishery. 

for more and rules and regs go here: 

http://www.env.gov.bc.ca/fw/fish/regulations/docs/1719/fishing_synopsis_2017-19_provincial.pdf