As part of ongoing efforts to monitor the population of grizzly bears in the
Greater Yellowstone Ecosystem, Yellowstone National Park and the USGS would like to
inform the public that biologists with the National Park Service and Interagency Grizzly
Bear Study Team (IGBST) will be conducting scientific grizzly bear research operations
in Yellowstone National Park from May 13 through July 31. https://www.nps.gov/yell/learn/news/19015.htm
Weather-permitting, East Entrance and select roads in Yellowstone open Friday, May 3 https://www.nps.gov/yell/learn/news/weather-permitting-east-entrance-and-select-roads-in-yellowstone-open-friday-may-3.htm
Yellowstone National Park encourages the public to get ready for boating and fishing season, which begins on Saturday, May 25, 2019. Boaters and anglers should clean, drain, and dry all equipment prior to arriving in the park to minimize the risk of introducing aquatic invasive species (AIS) into Yellowstoneâs waters.
New this year, there will be a temporary ban of watercraft equipped with sealed internal ballast tanks on all park waters. https://www.nps.gov/yell/learn/news/19014.htm