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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: 7:00 a.m. to 5:30 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.

Visitor Center 

CURRENT - Winter Hours will vary
Open Monday-Thursday, 10 a.m. to 2 p.m. 

Closed most Fridays, weekends and Federal Holidays.  

PLEASE NOTE:  The Visitor Center will be closed throughout the Thanksgiving Holiday - from Thursday, November 27 through Sunday, November 30, 2014.  It will also be closed for the Christmas Holiday (Thursday, December 25) and New Years Day (Thursday, January 1) and may be closed the Fridays afterwards.

The Winter Drive will be open, weather and road conditions permitting.   

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: Nov 21, 2014
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