Sweet Grass is located on the Montana side of the Sweetgrass–Coutts Border Crossing, which connects it with Coutts, Alberta, on the Canada–United States border. It is the busiest port of entry in both the state of Montana and the province of Alberta, and is the location where Interstate 15 meets Alberta Highway 4. This crossing is open 24/7.
Sweet Grass is the northern terminus of Interstate 15, an important route connecting western Canada, the western United States, and Mexico.
- 1 Coutts/Ross International Airport. No scheduled flights and a turf runway, located along the US-Canada border. Owned by the State of Montana, it is a port of entry into Canada with no more than 15 passengers.
There is little in terms of accommodations in Sweet Grass. It is best to either stay in Shelby, Great Falls, or Lethbridge.
- Coutts, Alberta is located adjacent to Sweet Grass; however, as it's located in Canada a passport is required.
|Routes through Sweet Grass|
|Lethbridge ← becomes ← ←||N S||→ Shelby → Great Falls|