Winter ranger-led programs have ended for the season. We keep these schedules available so you can see what types of programs are offered when planning your next winter trip. The schedule for next winter will be posted sometime in November 2011.
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. more...