• Steam rises off of the colorful Mammoth Hot Springs Terraces. Photo courtesy Jacob W. Frank


    National Park ID,MT,WY

East Entrance Road Open 8pm-10am Beginning Sunday

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Date: May 21, 2011

National Park Service
U.S. Department of the Interior

Yellowstone National Park
P.O. Box 168
Yellowstone National Park, WY 82190
May 21, 2011   11-042   
Dan Hottle (307) 344-2015


East Entrance Road Open 8pm-10am Beginning Sunday

Beginning Sunday, May 22, Yellowstone National Park’s East Entrance road through Sylvan Pass will be open between the hours of 8:00 p.m. and 10:00 a.m. 

Park avalanche forecasters extended the opening times based on a continuing trend of more stable snow conditions in Sylvan Pass. They have determined that the safest travel window across the pass is during the evening and early morning hours. Forecasting staff are closely monitoring weather, snowpack, moisture and all of the complex factors that go into determining the safety of the road for public travel.

During the closure periods, the section of road between the East Entrance and a point just west of Lake Butte will be closed.

The road has been operating on a limited schedule Since May 11 due to unstable snow conditions and avalanche activity in Sylvan Pass. There have been no significant slides over the road in recent days.

A limited travel window schedule is expected to remain in place until enough snow melts along and above the pass to eliminate the avalanche hazard to those traveling on the East Entrance road.

Changing weather conditions such as rain or warmer temperatures may result in conditions which may prompt changes to this schedule or may result in temporary, ‘round-the-clock closures. Travelers are encouraged to check the park’s 24-hour Road Report Hotline at 307-344-2117 for the latest updates.

Visitors may also travel between Yellowstone National Park and the community of Cody, Wyoming, through the park’s Northeast Entrance at Cooke City, Montana over US-212 to WY-296 to WY-120, which is open, weather permitting, 24 hours a day.

- www.nps.gov/yell -

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