PARK ENTRANCES-Winter Opening Opening Dates are Snow Permitting and all dates are subject to change!! See our Winter Use Planning page for current information. Spring plowing starts in March. Roads close at 9 pm on the days listed.
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Gate
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Opens
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Closes
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East
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Dec. 22
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Mar. 1
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West
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Dec. 15
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Mar. 15
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North (open to wheeled vehicles only to Mammoth Terraces during the winter season)
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Dec. 15
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Mar. 7 |
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Northeast
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Open all year (closed Cooke City via Colter Pass to the Chief Joseph Scenic Highway intersection to the Long Lake gate during the winter season until late May)
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South
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Dec. 15
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Mar. 15
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For more information see Operating Hours and Seasons and Construction Closures and Delays
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Please Note: All road and facility opening and closing dates are weather dependent. Changes in this schedule may occur. Campgrounds close on the morning of the dates listed.