US lawOregonRegulationsChapter 635 — Department of Fish and WildlifeDivision 50 — FURBEARING AND UNPROTECTED MAMMAL REGULATIONS635-050-0150OAR 635-050-0150OAR 635-050-0150. River Otter Harvest SeasonsLast amended: 2026Length: 17 wordsOfficial source (1) Open season: November 15 through March 15 of the following year. (2) Open area: Entire state.PreviousOAR 635-050-0140NextOAR 635-050-0160