Washington (WA) Map

The WA Map shows that the state is located to the south of British Columbia, a Canadian province. The state was shaped from western region of Washington territory that had been ceded by Britain by the Oregon Treaty in 1846.

Washington Borders
The Washington Map makes it clear that it is the northwesternmost state in mainland USA. Its northern border is primarily along the 49th parallel - the northern border continues through Strait of Georgia, Strait of Juan de Fuca and Haro Strait. The Canadian province of British Columbia lies to the north of Washington.

Oregon lies to the south of Washington with majority of this boundary formed by the Columbia River. The 46th Parallel forms the eastern part of this southern boundary. Idaho lies to the east of Washington. The meridian that runs north from the meeting point of Clearwater River and Snake River forms a majority of this border. Pacific Ocean lies on the western border of Washington. As shown by the Washington map the state is an important part of Pacific Northwest region.

Cascade Range
The high mountains in Cascade Range run from north to south and bisect the state. Western Washington, which lies to west of the mountain range, has a primarily marine west coast like climate with moderate and mild temperatures, dry summers and wet winters. This region also has dense conifer forests and temperate rain forests.

East Washington, which lies to east of the mountain ranges, has an almost dry climate with big areas of semiarid steppe. There are a couple of dry deserts which lie in Cascades' rain shadow. However, farther east the climate is less arid.

Palouse Region
The southeastern region of Washington, Palouse, used to be grassland. A majority of this area has now been changed into a farmland. The remaining parts in eastern Washington are mountainous and forested.