FOR SALE - Gold Country, CA Things for sale in the Gold Country area of California. The Gold Country lies along the route of State Route 49, stretching from Mariposa County in the south, to Sierra County in the north and includes parts of twelve California counties: Amador, Butte, Calaveras, El Dorado, Mariposa, Nevada, Placer, Sacramento, Sierra, Tuolumne, Plumas and Yuba. FOR SALE - Hanford ...