Craig Pass Closed for the Season; Mammoth to Norris Closed Sept. 14-30
The road linking West Thumb and Old Faithful is closed for the season—traffic should detour through West Thumb, Lake, and Canyon. The road from Mammoth to Norris is closed for two weeks—traffic should detour over Dunraven Pass. More »
Winter Use Adaptive Management Program: Air Quality and Soundscape
Background and Area of Focus
The Soundscape and Air Quality Working Group will make recommendations to the NPS on the design of an updated monitoring strategy that measures and evaluates the impacts of oversnow vehicle use on the park's natural soundscape and on the park's air quality to ensure a cleaner and quieter park, and compliance with the new winter use sound and air emissions requirements.Meeting Agendas
Meeting #1:Meeting Notes
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.