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Update: Yellowstone lifts fishing restrictions on most rivers and streams parkwide - NPS
News Release Update: Yellowstone lifts fishing restrictions on most rivers and streams parkwide Closures still in effect for Firehole, Madison and Gibbon rivers Fly fishing near Biscuit Basin NPS / Jacob W. Frank News Release Date: August 12, 2026 Contact: Yellowstone Public Affairs , (307) 344-2015 Update: Yellowstone lifts fishing restrictions on most rivers and streams parkwide MAMMOTH HOT SPRINGS, Wyo. – Beginning Aug. 12, Yellowstone National Park will lift the fishing restrictions on rivers and streams that went into effect on July 29. The restrictions were implemented because low water flows and high water temperatures can be lethal to fish. Cooling weather and water temperatures in the forecast allow for these restrictions to be lifted. Anglers will be able to fish on most park rivers, streams and lakes daily from sunrise to sunset as specified in the 2026 Fishing Regulations booklet . The existing full fishing closures on the Madison, F...