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Operating Hours

Bison herd, with animals facing viewer, with snow capped Mission Mountains behind them. Photo by Pat Jamieson, USFWSSummer Season at the National Bison Range - May to October 2016

SUMMER 2016 Times and Dates

Red Sleep Mountain Drive is now open daily for the Summer Season, weather and road conditions permitting. This is a 17-mile, one-way gravel road which gains 2,000 feet in elevation. We recommend you plan at least 1½ to 2 hours for the trip. You need to start Red Sleep Mountain Drive by 6:00 p.m. to be able to finish before the front gate closes at dark. 

The 14-mile roundtrip Prairie Drive is also open daily. There is two-way traffic along this route so please drive carefully.
SPECIAL TEMPORARY CLOSURE:  Red Sleep Mountain Drive will be closed from Wednesday, September 28, 2016 through Tuesday, October 5, 2016 while staff move bison.  We plan to reopen Red Sleep on Wednesday, October 5 and hope to keep the drive open through mid-October (weather and road conditions permitting).  Check back for a specific closing date. 
 
Click on the link for information about FEES.

Front Gate Hours 6:30 a.m. to 8:30 p.m.

Please note, gate times will change frequently as days get longer through the summer. Please check the sign posted at the front gate for exact times.
THE REFUGE CLOSES TO ALL PUBLIC USE AT NIGHT.
The Visitor Center is open seven days a week from 9:00 a.m. to 5:00 p.m.
Be a safe and courteous drive and obey all posted signs.
We make every effort to keep these dates and time up-to-date but unforeseen events, such as winter weather or road damage, may cause changes or closures. For more information, you may contact the National Bison Range office during Office Hours at 406-644-2211, extension 0.
Last Updated: Sep 13, 2016
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