Peace Arch Park is an international park consisting of Peace Arch Historical State Park in the United States and Peace Arch Provincial Park in Canada. The park straddles the international boundary between the two countries at the extreme western end of the main contiguous section of the two countries' land border, between Blaine, Washington, United States, and Surrey, British Columbia, Canada, where it reaches Semiahmoo Bay of the Salish Sea on the continent's Pacific Coast. The park's central feature is the Peace Arch.