Clackamas and Sandy River Reports and Forecast Posted on September 10, 2020September 10, 2020 by Bob Rees Clackamas River Fishing Report – Coho are starting to show in the lower reaches of the Clackamas River. Spinner casters are working the lower reaches of the river, but most... To access this post, you must purchase Oregon Memberships – Steelhead or Oregon Memberships – Chinook.