Grass Valley, Nevada County, California, USA

Grass Valley is an incorporated city in western Nevada County, California, in the foothills of the Sierra Nevada. The community developed during the Gold Rush around hard-rock mining, including the Empire and North Star mines. Cornish miners brought skills and traditions that remain visible in local celebrations such as Cornish Christmas and St. Piran’s Day. Its historic commercial center is concentrated around Mill and Main streets. The city adopted a charter in 1893 and uses a council-manager form of government.