Sweet Grass, Montana

Sweet Grass (also Sweetgrass) is a census-designated place and unincorporated community in Toole County, Montana, United States, on the Canada–US border. It is the northern terminus of Interstate 15, an important route connecting western Canada, the western United States, and Mexico.

In 2004, a joint border facility opened at the Sweetgrass port of entry and Coutts, Alberta, housing both Canadian and American federal authorities.

Coordinates: 48°59′37″N 111°57′04″W / 48.99360°N 111.95118°W / 48.99360; -111.95118

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