Mammoth Hot Springs to Gardiner February 12, 2015May 6, 2017 by Yellowstone Net Yellowstone’s North Entrance road – Mammoth to Roosevelt Arch/Gardnier. Select a new starting point – Links will open in above window Heading North from Mammoth Hot Springs Mammoth Campground Boiling River Gardiner Canyon Gardiner Canyon #2 North Entrance Roosevelt Arch
