Porthill is an unincorporated community in Boundary County

Boundary County, Idaho

Boundary County is a county located in the U.S. state of Idaho. As of the 2010 Census the county had a population of 10,972. The county seat and largest city is Bonners Ferry....

, Idaho

Idaho

Idaho is a state in the Rocky Mountain area of the United States. The state's largest city and capital is Boise. Residents are called "Idahoans". Idaho was admitted to the Union on July 3, 1890, as the 43rd state....

, United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, located near the Canadian

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

 border into British Columbia

British Columbia

British Columbia is the westernmost of Canada's provinces and is known for its natural beauty, as reflected in its Latin motto, Splendor sine occasu . Its name was chosen by Queen Victoria in 1858...

. Idaho State Highway 1

Idaho State Highway 1

State Highway 1 is a state highway in Boundary County, in the U.S. state of Idaho. It extends from U.S. Route 95 east of Copeland, north to British Columbia Highway 21 in Porthill. The route serves as a connector between Bonners Ferry, via US-95 south, Porthill, and Creston, BC. The highway is...

 runs straight through the community and to the Porthill Port of Entry which then turns into British Columbia Highway 21. The Porthill Port Entry is used as the American Port only. Rykerts, British Columbia acts as the Canadian Crossing.