NATIONAL PARK SERVICE · news
Help stop the spread of aquatic invasive species into Yellowstone National Park
April 7, 2026 · Source: National Park Service
Yellowstone National Park reminds boaters and anglers to clean, drain and dry all boats, trailers and equipment prior to arriving in the park to help stop the spread of aquatic invasive species (AIS) into park waters. In 2026, boating season begins May 23 and extends through Oct. 31.
Read the official NPS sourceWhat Travelers Need to Know
Use the official notice to confirm the affected destination, dates and visitor arrangements before finalizing your trip.
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.