Take Hwy 89 south from Livingston, 16 miles to the Mill Creek turn off, Forest Service Road #486, (Pray turnoff). Turn left (east) on Mill Creek Road cross the East River Road (Hwy 540) and continue east for 11 miles to Snowbank Campground.
From Mammoth, WY in Yellowstone National Park, travel north on Hwy 89, 36 miles to the Mill Creek (Pray) turn off. Turn right onto Mill Creek Road, Forest Service Road #486, cross the East River Road and travel 11 miles to the Snowbank Campground.