ARGO Mill, LLC Share: Entertainment ARGO Mill, LLC Visit Website 2350 Riverside Drive Idaho Springs, CO 80452 (303) 567-2421 (720) 225-0920 (fax) Facebook Hours: 10:00am - 4:00pm Wednesday - Monday. 5 tours daily. 11:00 - 3:00 on the hour. Arrive 15 mins early. About Map About Learn about the Rocky Mountain Gold Rush and watch as history comes to life during this family-friendly tour of the Mighty ARGO Gold Mill and Mine. You'll get a lesson from a professional about pannin Directions I-70 West from Denver area to Idaho Springs What's Nearby? Distance: 5 10 15 20 25 50 mi.