
Check which species have trophy potential in John Day River
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John Day River is a stream located in Clatsop County, Oregon, United States. It is most popular for fishing Smallmouth bass, Chinook salmon, and Largemouth bass.
Learn what time of year and day to go fishing at John Day River. Download Fishbrain today to look for new fishing spots, scout new fishing access, or prep for your next trip.

Disclaimer: Always check local fishing regulations, water access rights and land ownership before fishing, regardless of any catches logged in that area by the Fishbrain community. Fishbrain has mapped millions of acres of government-owned land across the USA to help you identify potential fishing access, but you are responsible for ensuring compliance with all legal requirements.
Fishing regulations in Oregon can change throughout the year. Make sure to check this page before fishing for the most up to date rules and regulations for the current season. Local regulations govern when you can fish, the max size of the fish you can keep, how many fish you can keep, and more.
Below you will see fishing regulations for catching Smallmouth bass as of April 10th, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.
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Bag limit
Memorable
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Lakes: 5 per day, 3 daily limits in possession unless noted under Exceptions.
Streams: No limit.
No more than 3 over 15 inches in length in lakes.
No minimum length in streams.
Angling restricted to artificial flies and lures in streams above tidewater, May 22-Aug 31. See Exceptions where use of bait is allowed.
Lakes: Open all year.
Streams (including tidewaters and bays): Open during trout, salmon or steelhead seasons, except tidewater areas of Columbia River tributaries downstream from the city of St. Helens are open all year.
For more information please see Oregon Sport Fishing Regulations
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