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About Spokane Valley

The Spokane Valley is a valley of the Spokane River through the southern Selkirk Mountains in the U.S. state of Washington. The valley is home to the cities of Spokane and its suburbs Spokane Valley, Liberty Lake, and Millwood. The valley is bounded on the north and south by the Selkirk Mountains, on the west by the Columbia River Basalt Group, and on the east by the Rathdrum Prairie at the Idaho state border. Mica Peak, located south of the valley, is the southernmost peak in the Selkirk Range. The mountain, along with surrounding peaks, separates the Spokane Valley from the Palouse. The Valley contains part of the Spokane Valley–Rathdrum Prairie Aquifer. == Geography == === Topography === The valley exhibits signs of the prehistoric geologic events that shaped the area and region such as the Missoula Floods which ended 12,000 to 15,000 years ago. The Spokane valley was gouged out by repeated failures in the ice dam that held Glacial Lake Missoula. The protected Dishman Hills Natural Resources Conservation Area to the west, with its rugged, potholed appearance and deep gullies is a result of the Missoula Floods as well and represents one of the most ecologically diverse regions in Washington state, where forests, grasslands and shrublands converge and is within two ecoregions, the Okanagan and Northern Rockies ecoregions. The geography further to the southeast, such as the Saltese Flats and Saltese Uplands is characterized as a shrub–steppe landscape with grassy hills and ravines.