El Dorado County, California along with the population since the 1960 Winter Olympics, hosted at Squaw Valley Ski Resort in neighboring Placer County. The present-day site of El Dorado County was once home to the Maidu, Washoe, and Miwok Native American tribes, and is notable for being the site of the 1848 gold discovery that sparked the California Gold Rush. The County of El Dorado was one of California's original 27 counties created effective February 18, 1850 (the number has risen to 58 today). Its name is derived from the Spanish meaning "the gilded/golden". The final segments of the Pony Express mail route ran
El Dorado City, Nevada El Dorado City, Nevada El Dorado City, which is now a ghost town, was a mining camp in the Colorado Mining District at the mouth of January Wash at its confluence with El Dorado Canyon. It was located about a mile down the canyon from Huse Spring, at an elevation of 2382 feet. Its site was located nearby to the south southeast of the Techatticup Mine the primary source of the ore its mill processed. "El Dorado" is a name derived from the Spanish meaning "the gilded". El Dorado City was the site of the El Dorado Mills or Colorado