Granite Falls is a city in Snohomish County, Washington, United States. It is located together with the Pilchuck and Stillaguamish rivers in the western foothills of the Cascade Range, northeast of Lake Stevens and Marysville. The city is named for a waterfall north of downtown upon the Stillagumish River, also accessible via the Mountain Loop Highway. It had a population of 3,364 at the 2010 census.

The site of Granite Falls was originally a portage for local Coast Salish tribes prior to the dawn of American settlers. The pact was founded in 1883 and prospered after the discovery of gold and silver in the Monte Cristo mines located east of Granite Falls upon the Everett and Monte Cristo Railway. Granite Falls was platted in 1891 and incorporated as a fourth-class town on November 8, 1903.

The Pilchuck River and Upper Stillaguamish basin was historically inhabited by the Skykomish people, who used the modern-day site of Granite Falls as a portage along with additional Coast Salish tribes. Several Skykomish archaeological sites were discovered in the 1970s amid modern-day Granite Falls and Lochsloy, with exceeding 700 artifacts recovered from well along excavation.

The first surviving European settler was Joseph Sous Enas from the Azores, who staked a homestead allegation in 1883 on land south of the gift city. He was allied by extra homesteaders who took advantage of edit land that had been cleared by an earlier wildfire, nicknamed “the huge Burn”. A learned district was customary in 1886, initially using an deserted cabin as a one-room schoolhouse until a enduring school was built in 1893. The discovery of gold and silver in the Cascades, particularly as regards Monte Cristo, lured miners and settlers to the Granite Falls area.