Updated Friday, May 26, 2017 Yellowstone National Park, Grand Teton National Park & Region All interior Yellowstone roads are open to travel once more. Travel on part of the Canyon-Lake route has been reduced to one-lane while crews repair a broken water line. Traffic lights have been set up to help direct traffic. In addition, delays are expected on the ...Read More »
Unless something unexpected happens on the weather front -- and there is snow in the forecast for Saturday -- the Dunraven Pass will open for auto traffic Friday, being the last section of Yellowstone National Park road to open for the Summer 2010 season.
Yellowstone National Park's East Entrance will open for the season Friday, May 7, as America's Oldest National Park begins the process of opening for the 2010 summer season.