The monumental Argo Mill stands over 110’ tall and processed over $100 million of gold ore – 2.6 trillion in 2020 dollars. On your tour of the mill and tunnel, you will be immersed in the spirit that defined the Victorian Industrial Revolution.

Construction of the Argo Tunnel (then called the Newhouse Tunnel) began in 1893 and lasted 10 years until it reached Central City 4.2 miles away. In the Argo history, dozens of mines and hundreds of miles of mine workings connected to and benefited from the Argo Tunnel.

The Argo Gold Mine and Mill is a former gold mining and milling property in Idaho Springs, Colorado, featuring an intact gold mill built at the entrance of the Argo Tunnel.

The Argo Tunnel and Mill serves as a reminder of Central City and Idaho Springs’ importance in the Colorado Gold Rush, and it is part of the historic preservation efforts of the Idaho Springs, Black Hawk, and Central City areas.

Experience the wonder of ingenuity, technology, and entrepreneurial spirit that is the Argo Mill & Tunnel with a guided walking tour. Situated in Historic Idaho Springs in the heart of Colorado Gold Country sits the Mighty Argo Mill and Tunnel, one of the most striking and prominent Heritage Landmarks in the American West.

The Famous Argo Mill and Tunnel. Soon after 1859, when Colorado’s first gold was struck in Idaho Springs, CO, the Argo and surrounding area became an international center of milling and tunneling innovation and served for many gold mines in Colorado.

The Argo Tunnel is a 4.16-mile (6.69 km) mine drainage and access tunnel with its portal at Idaho Springs, Colorado, USA. It was originally called the Newhouse Tunnel after its primary investor, Salt Lake City mining magnate Samuel Newhouse, and appears by that name in many industry publications from the time period when it was constructed.

Jun 29, 2023 · The Argo Mill is a historic gold mill located in Idaho Springs, Colorado, that played a major role in the Colorado Gold Rush for several decades. Today, visitors can take a tour of the mill, learn about its history, and even partake in some gold panning (and yes, you …

The Argo Mill, Mine and Museum tour is educational and fun for all ages! During its heyday, the mine procesed more than one hundred million dollars of gold ore. HOURS: Open 7 Days a Week 10am – 6pm daily.

During its time, the Argo Tunnel and Mill were the largest and most ambitious of projects of their kind in the world. Built specifically as a source of efficient drainage and transportation for mines within Gilpin County, the Argo Tunnel intersected with nearly 100 tunnels in the area.