Under the Interagency Bison Management Plan (IBMP), bison that wander outside the park onto public and private lands in the West Yellowstone area during the winter and spring must be moved back inside park boundaries before cattle return to summer pasture.
The Montana Department of Livestock is heading up an interagency effort to haze approximately 500 adult bison and a number of calves east from the Horse Butte area across US-191 and back inside the park boundaries to an area known as Cougar Meadows starting today.
Hazing operations will involve moving bison moving south of Cougar Meadows along the Madison River and onto the road between West Yellowstone and Madison Junction. To avoid traffic congestion due to moving bison for the next two to three days, visitors who plan to enter or exit the park through West Yellowstone are encouraged to do so before 10 a.m. or after 4 p.m., and to use extreme caution if traveling the West Entrance road between these hours.
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