CHIEF MOUNTAIN, Mont. — U.S. Customs and Border Protection Office of Field Operations announces the winter closing of the port of Chief Mountain, Montana. The port will close at 6:00 p.m. MDT on Tuesday, September 30. Canada Border Services Agency will also close their Port of Chief Mountain, Alberta, on Sept. 30 at 6:00 p.m.
The Port of Chief Mountain will re-open on May 15, 2015.