Columbia River Fishing Report May 5th, 2017 Posted on May 4, 2017 by Bob Rees Columbia River Fishing Report – Only the upriver of Bonneville fishery is open on the mainstem, but that too closes after Friday. With low dam counts, you can imagine, success rates remain low. There may... This post is only available to Members. If you are a Member, please be sure to log in and remember to select the Remember Me option. If you want to become a member or find out more, take a look here. '