The Okanogan Highlands and the rugged Kettle River Range and Selkirk Mountains cover much of the state's northeastern quadrant.
The Palouse southeast region of Washington was grassland that has been mostly converted into farmland, and extends to the Blue Mountains.
Livestock and livestock products make important contributions to total farm revenue, and the commercial fishing of salmon, halibut, and bottomfish makes a significant contribution to the state's economy.
Washington ranks second only to California in the production of wine.
The remainder of the state consists of: deep temperate rainforests in the west; mountain ranges in the west, central, northeast, and far southeast; and a semi-arid basin region in the east, central, and south, given over to intensive agriculture.
Washington is the second most populous state on the West Coast and in the Western United States, after California.
For Washington, this means prevailing winds from the northwest bring relatively cool air and a predictably dry season.
The high mountains of the Cascade Range run north-south, bisecting the state.
Washington is one of the wealthiest and most liberally progressive states in the country.
Along with Colorado, Washington was one of the first to legalize medicinal and recreational cannabis, was among the first thirty-six states to legalize same-sex marriage, doing so in 2012, and was one of only four U. states to have been providing legal abortions on request before the 1973 Supreme Court decision in Roe v. Similarly, Washington voters approved a 2008 referendum on legalization of physician-assisted suicide, and is currently only one of five states, along with Oregon, California, Colorado and Vermont, as well as the District of Columbia to have legalized the practice.
Mount Rainier, an active stratovolcano, is the state's highest elevation, at almost 14,411 feet (4,392 m), and is the most topographically prominent mountain in the contiguous United States. Its rugged surface is rich in stands of Douglas fir, hemlock, ponderosa pine, white pine, spruce, larch, and cedar.
The state is the biggest producer of apples, hops, pears, red raspberries, spearmint oil, and sweet cherries, and ranks high in the production of apricots, asparagus, dry edible peas, grapes, lentils, peppermint oil, and potatoes.