Gardiner, Montana is located at the south end of Paradise Valley on Montana US- 89 which runs from Livingston, Montana to Yellowstone National Park.
From Livingston to Gardiner is 56 miles on US-89.
The nearest airport is Bozeman Yellowstone International Airport (BZN)
If you are in Yellowstone Park, Gardiner is located just outside of the North entrance via the Roosevelt Arch on the Upper Loop or from the Beartooth Highway along US-212.