premise: Mount Hood belongs to the Pacific Northwest.
hypothesis: Mount Hood , called Wy'east by the Multnomah tribe , is a potentially active stratovolcano in the Cascade Volcanic Arc of northern Oregon . It was formed by a subduction zone on the Pacific coast and rests in the Pacific Northwest region of the United States . It is the highest point in Oregon and the fourth highest in the Cascade Range . Mount Hood , also known as Hood Mountain is a mountain near the southeastern edge of Santa Rosa , California at the northeast of the Sonoma Valley and attains a height of 2733 ft. The original name was Mount Wilikos , an Indian name meaning `` willows . '' Pacific Northwest . The Northwest Coast is the coastal region of the Pacific Northwest and the Northwest Plateau ( also commonly known as `` the Interior '' in British Columbia and the Inland Empire in the United States ) is the inland region .