Winter Daily Reports for 2008-2009 began December 15—opening day of winter operations. The daily reports end once the park is closed to oversnow travel on March 15.
Sylvan Pass Winter Travel Avalanche info and links more...
Check current ski conditions Xanterra Parks & Resorts grooms the ski trails in Yellowstone more...
Did You Know?
Prior to the establishment of the National Park Service, the U.S. Army protected Yellowstone between 1886 and 1918. Fort Yellowstone was established at Mammoth Hot Springs for that purpose.