Oregon's free fishing days in 2017 are:
April 22-23
June 3-4
Nov 25-26
Dec 31 & Jan 1, 2018
June 3-4
Nov 25-26
Dec 31 & Jan 1, 2018
Oregon Department of Fish & Wildlife advises that the need for a license is waived during free fishing days, but all other regulations still apply. There is loads of good fishing information for beginners at Take Me Fishing, and specific tips for fishing Wallowa Lake is at the Best Fishing in America site.