Argo Mill and Tunnel: Museum and Tours


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Front view of the Argo Gold Mill Museum in Denver Mountain Area, Colorado.
Discover a Treasure of the American West The Mighty Argo Mill - Daily Tours of the Museum, Mill and Tunnel
Tour group inside Argo Gold Mill Museum in Denver Mountain Area, Colorado.
Tour a National Historic Landmark - See How Gold was Processed in Idaho Springs - Colorado

Learn to Pan for Gold at The Argo!

A National Historic Sites -- Fun for all ages -- In Idaho Springs

The Argo Mill and Tunnel established in 1893 is an historic gold mining operation, lovingly preserved, in Idaho Spring, Colorado. Discover over one hundred years of Colorado history; see how gold bearing ore was processed at the turn of the last century as you tour our Historic Mining and Milling Museum. This National Historic Site allows you to step into Colorado's Gold Rush. Pan for gold and gemstones.

THE ARGO GOLD MILL: On a guided tour see how GOLD ORE was processed at the turn-of-the-century. When completed the Argo would be the largest mill of its type in the world. The Mill processed over 100 million dollars of Gold Ore, when gold was $18 to $35 per ounce. It stands today as a memorial to the Hard Rock Miners of the day . . . When Gold was KING!

The Museum has a display of many fine ore and mineral specimens and a collection of old photographs, mining tools and equipment.

THE ARGO TUNNEL: In 1893, construction of the Argo Tunnel began, it would be 17 years before it would reach Central City, over 4.2 miles away. The Tunnel provided water drainage, ventilation, and economical transportation. Many mines intersected the tunnel along the way, making the transport of Gold bearing ORE easier and safer.

Tour group in front of tunnel entrance of Argo Gold Mill. Explore a treasure trove of Colorado heritage at the Argo Gold Mill Museum in Denver Mountain Area, Colorado.
Explore a Treasure Trove of Colorado Heritage - The Argo Tunnel
People panning for gold. Discover your inner prospector as you pan for gold and gemstones at Argo Gold Mill Museum in Denver Mountain Area, Colorado.
Discover Your Inner Prospector as You Pan for Gold and Gemstones

GOLD AND GEM PANNING: Included with each tour ticket is a gold panning experience lead by your tour guide. Each guest has the option of a gold pan or gem sluice, although we recommend all those over five years of age gold pan. Each gold pan is guaranteed to leave rich in memories! Panning can also be done separate from the tour without a reservation.

OPEN: Everyday Year Round! Our tours run at the top of the hour every hour with the first tour leaving at 10am and the last at 4pm. During the winter months we stay open when possible. Please check with website (link above) for online bookings as this will host the most up to date information.

LOCATION: The Mighty Argo is in north central Colorado west of Denver, off I-70 in Idaho Springs. From downtown Denver it's a 35 minute drive; from Boulder it's a 60 minute drive and from central Colorado Springs it's a 1:40 hour drive.

DIRECTIONS: At the junction of I-25 and I-70, take I-70 west into the mountains to Exit 241; at the traffic circle use the 2nd exit onto Colorado Boulevard. Turn right (north) onto 23rd Avenue. At the T turn right (east) onto Riverside Drive, Argo Mill and Tunnel will be on your left.

ADDRESS: 2350 Riverside Drive, Idaho Springs CO 80452




  • Open Dates For On-Site Activities: All Year

Primarily Summer Activities

  • Whitewater Rafting Office/Pickup point: On site.
  • Mine Tours: On site.

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