78.6 miles: 1 hours, 25 minutes
The journey begins at Gallatin Gateway and ends at the west entrance to Yellowstone National Park. Surrounded by dense forests and skyscraping mountains, the US-191 byway offers breathtaking scenery and access to the wilderness. Towering old-growth forests, the Gallatin River, and the Gallatin and Madison mountain ranges are panoramas perfect for photographs.
