US lawOregonRegulationsChapter 635 — Department of Fish and WildlifeDivision 50 — FURBEARING AND UNPROTECTED MAMMAL REGULATIONS635-050-0130OAR 635-050-0130OAR 635-050-0130. Muskrat Harvest SeasonsLast amended: 2024Length: 17 wordsOfficial source (1) Open season: November 15 through March 31 of the following year. (2) Open area: Entire state.PreviousOAR 635-050-0120NextOAR 635-050-0140