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Operating Hours

Bison herd, with animals facing viewer, with snow capped Mission Mountains behind them.  Photo by Pat Jamieson, USFWSWinter Season at the Bison Range - October 20 to mid-May

Front Gate Hours: 7:30 a.m. to 7:30 p.m.
Winter Drive now open for the season.    Please note, gate times will change frequently as days get shorter.  Please check back for current times.

The Refuge closes to all public use at night.


Starting Sunday, November 2, 2014, Front Gate Hours will change to 7:00 a.m. to 5:30 p.m.  This happens due to time change.
Visitor Center 

CURRENT - Winter Hourse
Open weekdays, 10 a.m. to 2 p.m.  Closed weekends and Federal Holidays.  

Be a safe and courteous driver and obey all posted signs. 

We make every effort to keep these dates and times up-to-date but unforeseen events, such as winter weather or road damage, may cause changes or closures. For more information, please contact the National Bison Range office at 406-644-2211, extension 0.  

Last Updated: Oct 24, 2014
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