Washington (state) for the southernmost section where the border follows the Snake River. Oregon is to the south, with the Columbia River forming the western part and the 46th parallel forming the eastern part of the Oregon-Washington border. To the west of Washington lies the Pacific Ocean. Its northern border lies mostly along the 49th parallel, and then via marine boundaries through the Strait of Georgia, Haro Strait, and Strait of Juan de Fuca, with the Canadian province of British Columbia to the north. Washington is part of a region known as the Pacific Northwest, a term which always includes Washington and
Pacific Highway Border Crossing Pacific Highway Border Crossing The Pacific Highway Border Crossing connects the towns of Blaine, Washington and Surrey, British Columbia on the Canada–United States border. It is located on the Pacific Highway which runs from San Diego, California to Vancouver, British Columbia. What started as a dirt road alternative route to the Peace Arch Border Crossing in 1913, the Pacific Highway soon became the preferred route when it was paved in 1923. The part of the Pacific Highway that crosses the border here is now signed as British Columbia Highway 15 on the Canadian side and Washington State Route 543 on