Clackamas and Sandy River Fishing Report and Forecast Posted on September 16, 2021September 16, 2021 by Jeff Stoeger Coho Likely To Jump Start With Rain Event, Sandy And Clackamas Set To Produce Clackamas River Fishing Report – Coho are starting to show in catchable numbers on the lower Clackamas River. Low river levels... 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.