Willamette River Fishing Report September 29th, 2017 Posted on September 28, 2017 by Bob Rees Willamette River Fishing Report – There are a few folks pursuing coho near the mouth of the Clackamas, but anglers don’t come into this fishery with high expectations. Fall is a good time to start... 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.