Roads maybe impassable due to weather conditions.
Check local road conditions at http://www.dot.nd.gov/travel-info/
Call 911 in case of an emergency.
When to Expect Closures
During the months of November through April, road closures due to snow and ice are common.Roads close and reopen as conditions permit--there are no set dates.
Whenever possible, park staff clear East River Road in the South Unit (11 miles) and the first 6 miles of road in the North Unit.