Official Visitor Guide for Clear Creek County, Colorado. Clear Creek County is quintessential Colorado, offering plentiful outdoor recreation, attractions, exquisite mountain dining, craft breweries, art galleries, unique shopping, and cozy accommodations. Home of the first gold discovery in 1859 and start of the Colorado Gold Rush, four of the original mining towns remain today: Idaho Springs, Empire, Georgetown, and Silver Plume. VisitClearCreek.com