Willamette River Fishing Report September 13th, 2019 Posted on September 12, 2019September 12, 2019 by Bob Rees Willamette River Fishing Report – There should be fair and building numbers of coho in the Willamette River. There are a few who set up just downstream of the mouth of the Clackamas, soaking eggs... 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.