Spring Road Opening Schedule
Late April
West side roads: Mammoth to Norris Junction to Madison Junction to Old
Faithful; Madison Junction to West Entrance; Norris to Canyon.
Early May
Canyon to Lake to East Entrance.
Mid-May
Lake to South Entrance, West Thumb to Old Faithful, Tower to Tower
Fall.
Late May
Weather permitting, Beartooth Pass (Highway 212 - outside the
Northeast Entrance to the park) opens.