Yellowstone National Park Opens this Friday, April 18th.
The following are tentative opening dates for interior Park roads:
April 18: Mammoth to Old Faithful; Madison to West Entrance; Norris to Canyon.
May 2: Canyon to Lake; Lake to East Entrance (Lake is one mile south of Fishing Bridge).
May 9: Lake to South Entrance; West Thumb to Old Faithful (Craig Pass); Tower to Tower Fall.
May 23: Tower Fall to Canyon (Dunraven Pass); Beartooth Highway.