Take US Highway 89 North to the Canadian border.
The Chief Mountain Port of Entry is a seasonal port, open during the summer season.
|Chief Mountain Port of Entry|
|May 15 - May 31||9:00 a.m. - 6:00 p.m. MDT|
|June 1 - September 4||7:00 a.m. - 10:00 p.m. MDT|
|September 5 - September 30||9:00 a.m. - 6:00 p.m. MDT|
Piegan is a Permit Port, which means that importations of cargo must be approved in advance by the Area Port of Sweetgrass. Contact the Port of Entry for more information.