NATIONAL PARK SERVICE · news
Yellowstone National Park to remove invasive fish from Buffalo Creek
August 25, 2026 · Source: National Park Service

Beginning Aug. 31, Yellowstone National Park will temporarily close Buffalo Creek, a tributary of Slough Creek in the northern part of the park, for treatment to remove invasive fish as part of ongoing conservation efforts to preserve native species. It will reopen to the public on Sept. 7.
Read the official NPS sourceWhat Travelers Need to Know
Check the affected roads, trails or facilities and the dates in the official notice. Plan an alternate route or activity if your itinerary uses the affected area.
Dates and operating conditions can change after publication. Check the park’s official visitor information for your travel date.
Traveler guidance by State & Nation Staff Writer.
