The U.S. Northwest commonly refers to the Pacific Northwest region of the United States and adjacent areas in western Canada, encompassing Washington and Oregon, parts of Idaho, and sometimes Northern California. This temperate region is defined by its proximity to the Pacific Ocean and the Cascade Range, which divides wet western slopes from drier eastern interiors. It is known for dense evergreen forests, snow-capped volcanoes, river gorges, and a maritime climate that supports distinct seasonal patterns and a mix of urban centers and remote rural communities. Below is an evergreen overview of the region’s places, economies, and practical context for visitors and residents.
Core States and Typical Geography
The Northwest is generally anchored by Washington and Oregon, with Idaho often included and British Columbia treated as a neighboring jurisdiction rather than a U.S. state. The region spans from coastal shorelines to interior plateaus and high mountains, including the Cascades, Olympic Mountains, and the Columbia Plateau. Rainfall varies sharply west and east of the Cascades, driving differences in forest types, agriculture, and settlement patterns. Understanding this geography is central to interpreting the region’s infrastructure, seasonal travel, and local economies.
Washington at a Glance
Washington is the most populous state in the region, with Seattle as its largest city and economic engine. Its western edge lies on the Pacific, while its eastern portion extends into the drier shrub-steppe of the Columbia Basin. The state contains major ports, technology hubs, and extensive public lands, including Mount Rainier National Park and Olympic National Park. Between the urban cores and rural backcountry, transportation networks, energy systems, and water management remain defining features.
Oregon and Its Distinct Areas
Oregon stretches from the Columbia River in the north to California in the south, with Portland as its largest city and a historic center for trade and timber. The state balances dense urban growth along the Willamette Valley with mountainous eastern regions and a long coastline shaped by oceanic forces. Agriculture, outdoor recreation, and craft-oriented industries have long shaped Oregon’s economy and identity. Its land-use planning policies and urban growth boundaries remain influential models in the region.