Portal is a city in Burke County, North Dakota in the United States. The population was 131 at the 2000 census. Portal was founded in 1893. Portal sits near the Canadian border and is a major port of entry for road and rail traffic. North Portal, Saskatchewan is just over the border north of Portal. It is one of three 24-hour ports in North Dakota. The town is known for its "international" golf course. The ninth hole is partially in the United States and partially over the border in Canada.