If you haven't seen Yellowstone in winter then you haven't seen Yellowstone
2011-2012 WINTER SEASON Opening and Closing Dates
The Park will open to over-snow vehicles on Thursday December 15th 2011 and will close on Thursday March 15th 2012
Winter Opening Dates are Snow Permitting and all dates are subject to change!
- December 15, 2011—Most roads open to oversnow travel (weather and snow conditions permitting).
- December 22, 2010—East Entrance Road (between East Entrance and Fishing Bridge) opens to oversnow travel.
Oversnow travel ends in March. Roads close at 9 PM on the days listed:
- March 1, 2012—East Entrance to Lake Butte (Sylvan Pass.)
- March 4: Mammoth to Norris
- March 6: Madison to Norris to Canyon
- March 11: Canyon to Fishing Bridge
- March 15, 2012—All other groomed roads in the park are closed.
AND DON’T FORGET THE WEST YELLOWSTONE EXPO MARCH 16-18 2012